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diff --git a/2025/captions/emacsconf-2025-calc--basic-calc-functionality-for-engineering-or-electronics--christopher-howard--main--chapters.vtt b/2025/captions/emacsconf-2025-calc--basic-calc-functionality-for-engineering-or-electronics--christopher-howard--main--chapters.vtt new file mode 100644 index 00000000..f3af8a6f --- /dev/null +++ b/2025/captions/emacsconf-2025-calc--basic-calc-functionality-for-engineering-or-electronics--christopher-howard--main--chapters.vtt @@ -0,0 +1,41 @@ +WEBVTT + + +00:00:03.620 --> 00:02:36.639 +Introduction + +00:02:36.640 --> 00:04:54.279 +What is Calc? + +00:04:54.280 --> 00:06:37.398 +calc-algebraic-entry + +00:06:37.399 --> 00:08:07.759 +calc-roll-down + +00:08:07.760 --> 00:08:58.179 +Advanced functions + +00:08:58.180 --> 00:09:54.719 +Solving equations with calc-solve-for + +00:09:54.720 --> 00:12:00.079 +Systems of equations + +00:12:00.080 --> 00:12:39.959 +calc-find-root + +00:12:39.960 --> 00:14:17.539 +Derivatives and integrals + +00:14:17.540 --> 00:18:12.159 +Programmable functions + +00:18:12.160 --> 00:20:08.799 +Plotting + +00:20:08.800 --> 00:22:38.599 +Wish list + +00:22:38.600 --> 00:23:35.920 +Wrapping up diff --git a/2025/captions/emacsconf-2025-calc--basic-calc-functionality-for-engineering-or-electronics--christopher-howard--main.vtt b/2025/captions/emacsconf-2025-calc--basic-calc-functionality-for-engineering-or-electronics--christopher-howard--main.vtt new file mode 100644 index 00000000..f0bf2d2a --- /dev/null +++ b/2025/captions/emacsconf-2025-calc--basic-calc-functionality-for-engineering-or-electronics--christopher-howard--main.vtt @@ -0,0 +1,888 @@ +WEBVTT captioned by sachac + +NOTE Introduction + +00:00:03.620 --> 00:00:08.799 +Hello, my name is Christopher Howard and welcome to my talk. + +00:00:08.800 --> 00:00:11.319 +This is basically an introduction + +00:00:11.320 --> 00:00:15.119 +to the built-in Emacs calculator, + +00:00:15.120 --> 00:00:18.319 +properly known as Emacs Calc, + +00:00:18.320 --> 00:00:21.439 +particularly from the perspective of someone + +00:00:21.440 --> 00:00:27.559 +with a technical background such as engineering or electronics. + +00:00:27.560 --> 00:00:32.879 +I will say, though, my personal interest is not really + +00:00:32.880 --> 00:00:37.839 +in digital computing or digital calculators, + +00:00:37.840 --> 00:00:42.519 +but lately has been focused more on analog computing. + +00:00:42.520 --> 00:00:46.799 +I have, for example, been working to master + +00:00:46.800 --> 00:00:50.839 +the venerable slide rule, a mechanical computer + +00:00:50.840 --> 00:00:57.319 +that calculates multiplication powers and logarithms. + +00:00:57.320 --> 00:01:02.199 +Here's a picture of one. + +00:01:02.200 --> 00:01:06.799 +It's a physical tool that was used for hundreds of years + +00:01:06.800 --> 00:01:08.999 +for this sort of thing + +00:01:09.000 --> 00:01:16.679 +before the handheld calculator was made popular. + +00:01:16.680 --> 00:01:18.639 +And I also had a project that I did + +00:01:18.640 --> 00:01:21.119 +for a while to several months + +00:01:21.120 --> 00:01:33.119 +to build an electronic analog computer. + +00:01:33.120 --> 00:01:38.679 +A rudimentary attempt of mine, but it's functional, + +00:01:38.680 --> 00:01:43.399 +and it's basically a 1960s or 1970s style + +00:01:43.400 --> 00:01:48.839 +electronic analog computer built very much on a budget, + +00:01:48.840 --> 00:01:52.559 +but the box in the middle is the computer proper + +00:01:52.560 --> 00:01:55.719 +which has most of the components inside of it + +00:01:55.720 --> 00:02:00.199 +as well as the potentiometers for setting values, + +00:02:00.200 --> 00:02:02.039 +and an operation switch. + +00:02:02.040 --> 00:02:04.399 +There's a patch panel on the left + +00:02:04.400 --> 00:02:07.119 +for connecting the different integrators, + +00:02:07.120 --> 00:02:11.319 +amplifiers, multipliers, and so forth together. + +00:02:11.320 --> 00:02:16.919 +Then the output of the simulation is displayed + +00:02:16.920 --> 00:02:19.799 +on the oscilloscope on the right side, + +00:02:19.800 --> 00:02:25.479 +which is a digital oscilloscope. + +00:02:25.480 --> 00:02:28.439 +To be honest, I think that a talk about analog computing + +00:02:28.440 --> 00:02:30.199 +would be much more interesting + +00:02:30.200 --> 00:02:32.039 +than the talk that I'm about to give, + +00:02:32.040 --> 00:02:36.639 +but unfortunately that would be out of scope for EmacsConf. + +NOTE What is Calc? + +00:02:36.640 --> 00:02:39.919 +So instead I will talk about Emacs Calc, + +00:02:39.920 --> 00:02:43.359 +the digital calculator built into Emacs. + +00:02:43.360 --> 00:02:47.519 +Emacs Calc, while not being a replacement for software + +00:02:47.520 --> 00:02:51.479 +like GNU Octave, does have advanced calculator functionality + +00:02:51.480 --> 00:02:55.039 +that can be useful in engineering, electronics, + +00:02:55.040 --> 00:03:00.759 +or other technical applications. So I don't want to oversell it, + +00:03:00.760 --> 00:03:06.479 +but I think functionality-wise, Calc is somewhere in between + +00:03:06.480 --> 00:03:12.239 +what you'd expect of a decent scientific calculator + +00:03:12.240 --> 00:03:23.939 +and an advanced graphics calculator. + +00:03:23.940 --> 00:03:28.839 +So this talk I'll mention is not intended to be a tutorial + +00:03:28.840 --> 00:03:33.839 +but only a brief introduction to Calc. + +00:03:33.840 --> 00:03:37.439 +Please refer to the built-in Calc info manual + +00:03:37.440 --> 00:03:46.739 +for detailed instructions on how to complete operations. + +00:03:46.740 --> 00:04:01.479 +Turn off my volume here. + +00:04:01.480 --> 00:04:05.719 +The documentation for Emacs Calc is built-in, + +00:04:05.720 --> 00:04:10.439 +although on some distributions you may have to install + +00:04:10.440 --> 00:04:24.479 +the Emacs documentation separately for licensing reasons. + +00:04:24.480 --> 00:04:28.599 +Calc presents itself as a stack-based calculator + +00:04:28.600 --> 00:04:31.599 +where entries are dropped onto a stack + +00:04:31.600 --> 00:04:36.739 +and then an operation is performed on the stack entries. + +00:04:36.740 --> 00:04:42.899 +For example, I can drop 1.23 onto the stack, + +00:04:42.900 --> 00:04:54.279 +and then 8.56, and then multiply them together. + +NOTE calc-algebraic-entry + +00:04:54.280 --> 00:05:01.559 +It may present itself as a stack-based calculator, + +00:05:01.560 --> 00:05:05.399 +but indeed, Calc is also capable of accepting input + +00:05:05.400 --> 00:05:07.739 +in the more well-known algebraic format + +00:05:07.740 --> 00:05:10.759 +by using the calc-algebraic-entry command, + +00:05:10.760 --> 00:05:14.999 +which by default is bound to the apostrophe (') key. + +00:05:15.000 --> 00:05:19.759 +So you type the apostrophe key, enter the algebraic input, + +00:05:19.760 --> 00:05:22.759 +including parentheses as needed. + +00:05:22.760 --> 00:05:28.199 +For example, here's a calculation of the resonance frequency + +00:05:28.200 --> 00:05:35.039 +of a coil which has an inductance of 250 microhenries + +00:05:35.040 --> 00:05:41.059 +and 160 picofarads, taken from one of my electronics handbooks. + +00:05:41.060 --> 00:05:50.019 +The formula for that is 1 over 2 pi + +00:05:50.020 --> 00:05:57.439 +and then the square root of our inductance + +00:05:57.440 --> 00:06:06.279 +which is in this case 250 microfarads - excuse me, microhenries + +00:06:06.280 --> 00:06:19.399 +and then the capacitance is 160 picofarads. + +00:06:19.400 --> 00:06:24.399 +Small typo here. + +00:06:24.400 --> 00:06:26.639 +Now I need to evaluate that one more time, + +00:06:26.640 --> 00:06:30.919 +because pi is a symbol. + +00:06:30.920 --> 00:06:37.398 +I get about 800 kHz resonant frequency. + +NOTE calc-roll-down + +00:06:37.399 --> 00:06:41.679 +The command calc-roll-down, + +00:06:41.680 --> 00:06:44.199 +which by default is bound to the TAB key, + +00:06:44.200 --> 00:06:47.919 +will swap the top two stack entries, + +00:06:47.920 --> 00:06:51.559 +which is sometimes useful if you need to manipulate something + +00:06:51.560 --> 00:06:56.999 +that's further down the stack. + +00:06:57.000 --> 00:07:02.039 +So I can swap this around and say multiply by two + +00:07:02.040 --> 00:07:05.479 +and then put it back where it was. + +00:07:05.480 --> 00:07:14.039 +This command is also capable of rolling the entire stack. + +00:07:14.040 --> 00:07:18.899 +Say I want to shift them all around. + +00:07:18.900 --> 00:07:21.399 +This can be done by passing extra arguments + +00:07:21.400 --> 00:07:23.559 +to the calc-roll-down function. + +00:07:23.560 --> 00:07:28.279 +That's a little bit inconvenient to do manually, + +00:07:28.280 --> 00:07:40.079 +so in my init file, I defined here a key definition + +00:07:40.080 --> 00:07:45.759 +that passes in those arguments correctly. + +00:07:45.760 --> 00:07:49.179 +I attached this to shift-tab, + +00:07:49.180 --> 00:07:52.319 +so this way, I can roll the entire stack. + +00:07:52.320 --> 00:07:56.159 +Then I could change one entry here + +00:07:56.160 --> 00:08:03.459 +and then put it back where it was. + +00:08:03.460 --> 00:08:07.759 +So Calc does algebraic input. + +NOTE Advanced functions + +00:08:07.760 --> 00:08:10.159 +It also does advanced functions + +00:08:10.160 --> 00:08:15.599 +that you would expect any handheld scientific calculator, + +00:08:15.600 --> 00:08:19.159 +including trigonometric functions. + +00:08:19.160 --> 00:08:25.319 +For example, we can get the sine of a number. + +00:08:25.320 --> 00:08:30.719 +Now I'll mention here that Calc has multiple modes. + +00:08:30.720 --> 00:08:32.319 +Right now it's in degree mode. + +00:08:32.320 --> 00:08:38.159 +You can switch over to radian mode if you want. + +00:08:38.160 --> 00:08:42.799 +I'm going to put it back in degrees. + +00:08:42.800 --> 00:08:49.799 +Drop 12 degrees on the stack, and then get the sine of that. + +00:08:49.800 --> 00:08:58.179 +And then with the inverse sine function, I can put it back. + +NOTE Solving equations with calc-solve-for + +00:08:58.180 --> 00:09:07.519 +Calc also has the nifty ability to solve equations for you + +00:09:07.520 --> 00:09:13.919 +so long as the equation is not too complicated. + +00:09:13.920 --> 00:09:19.959 +This is using the calc-solve-for function. + +00:09:19.960 --> 00:09:31.699 +For example, we could enter in an equation algebraically, + +00:09:31.700 --> 00:09:36.679 +then run calc-solve-for, and we just have to tell it + +00:09:36.680 --> 00:09:40.999 +what variable we want to solve for. And there we go. + +00:09:41.000 --> 00:09:43.199 +We can do this manually as well + +00:09:43.200 --> 00:09:54.719 +just so you can see that we get the same result. + +NOTE Systems of equations + +00:09:54.720 --> 00:09:57.959 +Calc is also able to solve systems of equations. + +00:09:57.960 --> 00:10:03.439 +We can put more than one equation on the stack, + +00:10:03.440 --> 00:10:08.959 +and then solve for several variables. + +00:10:08.960 --> 00:10:13.319 +To give a technical example for this, + +00:10:13.320 --> 00:10:30.659 +I'll show you a resistor network scribble that I did recently. + +00:10:30.660 --> 00:10:32.819 +Hopefully you can see that. Basically, + +00:10:32.820 --> 00:10:38.719 +it's fairly simple, a pretty simple resistor network + +00:10:38.720 --> 00:10:42.159 +with 1 kilo ohm and 10 kilo ohm resistors, + +00:10:42.160 --> 00:10:48.959 +and using the loop methods, we are calculating the currents, + +00:10:48.960 --> 00:10:52.759 +the current in each loop, and then that current can be used + +00:10:52.760 --> 00:10:58.839 +to solve for the voltage of each individual resistor + +00:10:58.840 --> 00:11:06.199 +if we want to. So at the bottom there we have the equations + +00:11:06.200 --> 00:11:11.519 +that we come up with as we work through each loop. + +00:11:11.520 --> 00:11:19.579 +And I'm going to paste that into Calc. + +00:11:19.580 --> 00:11:22.719 +To save some time, I'm going to copy and paste that + +00:11:22.720 --> 00:11:34.259 +from my notes instead of typing it out. + +00:11:34.260 --> 00:11:38.259 +So we have two equations there on the stack + +00:11:38.260 --> 00:11:44.719 +in one stack entry. We run that calc-solve-for function again, + +00:11:44.720 --> 00:11:49.899 +and we tell it which variables we want to solve for. + +00:11:49.900 --> 00:11:51.959 +And voila! Those are our currents, + +00:11:51.960 --> 00:11:55.719 +which we can then use to get the voltages + +00:11:55.720 --> 00:12:00.079 +for the individual resistors. + +NOTE calc-find-root + +00:12:00.080 --> 00:12:01.999 +I'll just briefly mention + +00:12:02.000 --> 00:12:05.839 +that if Calc is not able to solve an equation + +00:12:05.840 --> 00:12:07.779 +with calc-solve-for, + +00:12:07.780 --> 00:12:10.279 +then you might be helped by another calc function + +00:12:10.280 --> 00:12:11.559 +called calc-find-root. + +00:12:11.560 --> 00:12:14.439 +This function basically does a manual search + +00:12:14.440 --> 00:12:30.199 +for a numerical solution to the equation. + +00:12:30.200 --> 00:12:39.959 +And there's the documentation page on that. + +NOTE Derivatives and integrals + +00:12:39.960 --> 00:12:44.039 +Calc can also solve or find derivatives of functions, + +00:12:44.040 --> 00:12:47.579 +at least the more straightforward functions. + +00:12:47.580 --> 00:12:49.839 +For a simple example, + +00:12:49.840 --> 00:13:00.559 +we can get the derivative of that + +00:13:00.560 --> 00:13:11.979 +with the derivative function. + +00:13:11.980 --> 00:13:17.159 +On the other hand, Calc is also capable of figuring out + +00:13:17.160 --> 00:13:22.099 +indefinite integrals. + +00:13:22.100 --> 00:13:26.859 +Say we put that function back on the stack, + +00:13:26.860 --> 00:13:32.559 +and this time, we call the integral function. + +00:13:32.560 --> 00:13:35.079 +There you go. Of course, you have to add + +00:13:35.080 --> 00:13:39.819 +your own constant of integration. + +00:13:39.820 --> 00:13:43.399 +For integrals that Calc cannot figure out symbolically, + +00:13:43.400 --> 00:13:46.079 +a numerical integration method is available + +00:13:46.080 --> 00:13:59.998 +through the calc-num-integral command, which is documented... + +00:13:59.999 --> 00:14:17.539 +The function documentation is available here, more or less. + +NOTE Programmable functions + +00:14:17.540 --> 00:14:20.399 +I definitely need to mention + +00:14:20.400 --> 00:14:24.759 +that Calc is capable of doing programmable functions. + +00:14:24.760 --> 00:14:29.619 +That is to say, you can program your own functions into Calc. + +00:14:29.620 --> 00:14:32.239 +There are three separate ways to do this. + +00:14:32.240 --> 00:14:36.279 +One is through a macro method + +00:14:36.280 --> 00:14:41.539 +similar to Emacs's usual keyboard macros. + +00:14:41.540 --> 00:14:46.519 +The second method is to transform an algebraic function + +00:14:46.520 --> 00:14:50.859 +into a stored function definition. + +00:14:50.860 --> 00:14:54.059 +And the third is to use Elisp directly. + +00:14:54.060 --> 00:14:56.599 +Personally, I find that the second method + +00:14:56.600 --> 00:15:01.799 +is the most practical, the most convenient and practical + +00:15:01.800 --> 00:15:08.059 +in my opinion. So I'll give a quick example of that. + +00:15:08.060 --> 00:15:14.159 +So I could... Let's say I wanted to have a function + +00:15:14.160 --> 00:15:20.699 +for calculating capacitive reactance. + +00:15:20.700 --> 00:15:28.899 +I'll define that in algebraic mode first. + +00:15:28.900 --> 00:15:33.639 +The function for that is 1 over 2 pi + +00:15:33.640 --> 00:15:41.599 +the frequency and the capacitance. + +00:15:41.600 --> 00:15:44.959 +Drop that on the stack. You see, it does automatically + +00:15:44.960 --> 00:15:52.079 +get simplified a little bit, but it's the same function. + +00:15:52.080 --> 00:15:58.839 +And then I press letters Z and F. Do that again. + +00:15:58.840 --> 00:16:06.239 +Z and F to start transforming that into a stored function. + +00:16:06.240 --> 00:16:11.039 +It asks me to select a user key, a single key press. + +00:16:11.040 --> 00:16:15.479 +I'll use the letter c. + +00:16:15.480 --> 00:16:19.079 +Then it's going to ask for a longer command name. + +00:16:19.080 --> 00:16:24.639 +I've actually defined this once before, so it prefilled in + +00:16:24.640 --> 00:16:38.339 +that command name. + +00:16:38.340 --> 00:16:42.999 +Then I need to enter which variables in the formula + +00:16:43.000 --> 00:16:46.559 +are actual arguments, rather than just symbols + +00:16:46.560 --> 00:16:52.559 +to be evaluated later. I prefer to put this in with frequency + +00:16:52.560 --> 00:16:54.279 +and the capacitance after that, + +00:16:54.280 --> 00:16:57.799 +but actually in this particular case, + +00:16:57.800 --> 00:17:07.339 +it doesn't matter at all to the mathematics. + +00:17:07.340 --> 00:17:11.399 +So, now all I have to do, that this is defined, + +00:17:11.400 --> 00:17:15.199 +is I can drop the frequency on the stack, + +00:17:15.200 --> 00:17:24.399 +which we'll say, for this example, will be 4.5 MHz, + +00:17:24.400 --> 00:17:32.279 +and then drop on the capacitance, which in this example + +00:17:32.280 --> 00:17:40.319 +will be 22 pF. + +00:17:40.320 --> 00:17:42.439 +Then I'll call the function that I just defined. + +00:17:42.440 --> 00:17:45.239 +I don't really like having to try to remember + +00:17:45.240 --> 00:17:48.679 +the short letters that I've come up with, + +00:17:48.680 --> 00:17:57.839 +so I'll just use the longer name. + +00:17:57.840 --> 00:17:59.799 +I need to evaluate one more time + +00:17:59.800 --> 00:18:05.619 +because the symbol pi is in there and not yet evaluated. + +00:18:05.620 --> 00:18:07.539 +And so if I've done that right, + +00:18:07.540 --> 00:18:12.159 +we have a capacitive reactance of about 1600 ohms. + +NOTE Plotting + +00:18:12.160 --> 00:18:16.839 +As the last feature that I'll mention here, + +00:18:16.840 --> 00:18:24.059 +Emacs Calc does have an interface with gnuplot, + +00:18:24.060 --> 00:18:30.799 +if you want to have Calc work as your graphing calculator. + +00:18:30.800 --> 00:18:33.159 +I do need to be honest and mention + +00:18:33.160 --> 00:18:35.579 +that I don't generally use it myself + +00:18:35.580 --> 00:18:39.719 +because there's another program in GNOME + +00:18:39.720 --> 00:18:43.499 +that I've found to be generally more convenient + +00:18:43.500 --> 00:18:47.399 +for the things that I want to graph quickly. + +00:18:47.400 --> 00:18:53.399 +But I think I can give you a simple example. + +00:18:53.400 --> 00:19:00.339 +So first, we need to drop a range on the stack. + +00:19:00.340 --> 00:19:06.619 +Let's say 0 to 10. + +00:19:06.620 --> 00:19:11.639 +And then we need to drop the function on the stack. + +00:19:11.640 --> 00:19:17.839 +And then I believe it's the letters g and f that graph this. + +00:19:17.840 --> 00:19:22.319 +Let's see. Yep, there we go. + +00:19:22.320 --> 00:19:25.059 +So there's our function and it looks nice. + +00:19:25.060 --> 00:19:26.659 +That was pretty easy. + +00:19:26.660 --> 00:19:29.019 +That's the fast way to do it. + +00:19:29.020 --> 00:19:32.839 +I will, as a disclaimer, mention that + +00:19:32.840 --> 00:19:34.159 +using this quick approach, + +00:19:34.160 --> 00:19:38.759 +that sometimes more complicated graphs + +00:19:38.760 --> 00:19:39.999 +will not turn out nicely, + +00:19:40.000 --> 00:19:44.339 +because by default, the resolution will be pretty low. + +00:19:44.340 --> 00:19:48.119 +That is to say it's... gnuplot is going to be + +00:19:48.120 --> 00:19:49.899 +skipping a lot of points + +00:19:49.900 --> 00:19:52.039 +and so you'll have to learn a bit more + +00:19:52.040 --> 00:19:55.319 +about how to use the interface, + +00:19:55.320 --> 00:19:59.519 +what parameters to pass if you want all your graphs + +00:19:59.520 --> 00:20:03.699 +to come out looking nice. + +00:20:03.700 --> 00:20:08.799 +So that covers all the features that I wanted to cover. + +NOTE Wish list + +00:20:08.800 --> 00:20:13.279 +I wanted to briefly mention a wish list of items + +00:20:13.280 --> 00:20:16.679 +that I'd like to see in Calc. + +00:20:16.680 --> 00:20:23.639 +One of them would be improper integrals. + +00:20:23.640 --> 00:20:25.159 +So that's like our definite integrals + +00:20:25.160 --> 00:20:32.859 +except for where a limit of integration is infinity. + +00:20:32.860 --> 00:20:38.559 +That's something that can be useful in a few applications. + +00:20:38.560 --> 00:20:41.079 +Something else that would be neat to have would be + +00:20:41.080 --> 00:20:45.679 +annotations for row entries. So for example + +00:20:45.680 --> 00:20:48.819 +if I was putting together a sum of numbers + +00:20:48.820 --> 00:20:53.279 +for, say, my monthly budget, + +00:20:53.280 --> 00:20:57.479 +let's say I was paying $2,000 for my rent + +00:20:57.480 --> 00:21:03.831 +and let's say $800 a month for my groceries, + +00:21:03.832 --> 00:21:07.931 +(a lot of kids to feed there) + +00:21:07.932 --> 00:21:14.565 +and then say another $60 for dining out, and so on, + +00:21:14.566 --> 00:21:18.259 +it would be nice if there was some way + +00:21:18.260 --> 00:21:21.319 +to put a little annotation next to each number + +00:21:21.320 --> 00:21:23.399 +so that you could remember + +00:21:23.400 --> 00:21:27.039 +what the meaning of that number was more easily. + +00:21:27.040 --> 00:21:31.199 +I actually looked into programming this into Calc myself, + +00:21:31.200 --> 00:21:35.919 +but discovered that it would require reprogramming + +00:21:35.920 --> 00:21:41.839 +quite a bit of Calc to make that work well + +00:21:41.840 --> 00:21:43.479 +across all calc functionality, + +00:21:43.480 --> 00:21:46.939 +and so, eventually, I gave up. + +00:21:46.940 --> 00:21:51.139 +But I'd still really like to have that feature. + +00:21:51.140 --> 00:21:52.039 +The final thing, though + +00:21:52.040 --> 00:21:54.579 +I think this would not necessarily belong in Calc, + +00:21:54.580 --> 00:21:57.919 +I think it would be cool if Emacs had some way + +00:21:57.920 --> 00:22:00.599 +to run numerical solutions + +00:22:00.600 --> 00:22:02.599 +for systems of differential equations, + +00:22:02.600 --> 00:22:06.019 +also known as a differential analyzer. + +00:22:06.020 --> 00:22:09.279 +So this would allow you to be able to set up simulation models + +00:22:09.280 --> 00:22:11.679 +involving systems of differential equations, + +00:22:11.680 --> 00:22:14.879 +for example, a spring mass system, or pressure temperature, + +00:22:14.880 --> 00:22:18.039 +or what have you, and then run the simulation + +00:22:18.040 --> 00:22:22.119 +using numerical approximation. + +00:22:22.120 --> 00:22:24.079 +Maybe it would be silly + +00:22:24.080 --> 00:22:25.999 +to actually put that in Calc itself, + +00:22:26.000 --> 00:22:30.339 +but a nice interface maybe to some other software, + +00:22:30.340 --> 00:22:33.299 +simple software that did that, + +00:22:33.300 --> 00:22:35.779 +an easy to use interface for that + +00:22:35.780 --> 00:22:38.599 +would be really great. + +NOTE Wrapping up + +00:22:38.600 --> 00:22:41.800 +So that's my entire talk. + +00:22:41.801 --> 00:22:44.534 +I'll just mention some information. + +00:22:44.535 --> 00:22:48.365 +If you want to learn more about me + +00:22:48.366 --> 00:22:50.119 +or things that I'm interested in, + +00:22:50.120 --> 00:22:57.779 +I do not any longer have a web presence. + +00:22:57.780 --> 00:22:59.659 +I don't have a website anymore, + +00:22:59.660 --> 00:23:03.359 +but I do have a Gemini capsule + +00:23:03.360 --> 00:23:07.139 +that I post to all the time. + +00:23:07.140 --> 00:23:13.879 +And if you can install, if you're willing to install the... + +00:23:13.880 --> 00:23:19.079 +Gemini browser known as Elpher + +00:23:19.080 --> 00:23:23.698 +into Emacs, which is available from ELPA, + +00:23:23.699 --> 00:23:27.359 +then you can browse directly to it + +00:23:27.360 --> 00:23:31.439 +and look around my Gemini capsule. + +00:23:31.440 --> 00:23:35.920 +Thank you very much. diff --git a/2025/captions/emacsconf-2025-llm--emacs-editors-and-llm-driven-workflows--andrew-hyatt--main.vtt b/2025/captions/emacsconf-2025-llm--emacs-editors-and-llm-driven-workflows--andrew-hyatt--main.vtt new file mode 100644 index 00000000..ea969e1e --- /dev/null +++ b/2025/captions/emacsconf-2025-llm--emacs-editors-and-llm-driven-workflows--andrew-hyatt--main.vtt @@ -0,0 +1,1069 @@ +WEBVTT captioned by amitav + +NOTE Introduction + +00:00:01.040 --> 00:00:03.079 +Hi, I'm Andrew Hyatt. + +00:00:03.080 --> 00:00:09.399 +I'm going to talk to you today about Emacs and AI, + +00:00:09.400 --> 00:00:10.879 +and where things are right now + +00:00:10.880 --> 00:00:12.119 +in the world of Emacs and AI, + +00:00:12.120 --> 00:00:14.159 +via large language models, + +00:00:14.160 --> 00:00:16.999 +and where things might be going, + +00:00:17.000 --> 00:00:22.699 +and what it means for the future of Emacs. + +00:00:22.700 --> 00:00:27.279 +I think what we're seeing with Emacs is interesting. + +00:00:27.280 --> 00:00:29.399 +We've seen a lot of different things + +00:00:29.400 --> 00:00:31.559 +come around in the past year, + +00:00:31.560 --> 00:00:33.119 +in the past several years. + +00:00:33.120 --> 00:00:35.079 +There's lots of different solutions. + +00:00:35.080 --> 00:00:36.759 +But in the past year, things have been very interesting. + +00:00:36.760 --> 00:00:39.679 +I think there's new and interesting questions + +00:00:39.680 --> 00:00:43.279 +about what does it mean to use Emacs? + +00:00:43.280 --> 00:00:45.479 +What does it mean to use any editor? + +00:00:45.480 --> 00:00:47.279 +I'm going to be talking about Emacs, + +00:00:47.280 --> 00:00:50.359 +and I'm going to show you various Emacs packages + +00:00:50.360 --> 00:00:53.079 +as demonstrations of these ideas. + +00:00:53.080 --> 00:00:59.839 +But there's the general question of + +00:00:59.840 --> 00:01:03.719 +what does it mean to use any editor, not just Emacs? + +00:01:03.720 --> 00:01:06.239 +What does it mean to do work? + +00:01:06.240 --> 00:01:10.719 +And I think the industry in general is facing these challenges + +00:01:10.720 --> 00:01:13.279 +of we don't really know where things are going to end up, + +00:01:13.280 --> 00:01:16.919 +but we do know the direction they're going. + +00:01:16.920 --> 00:01:20.039 +Emacs is a reflection of that. + +00:01:20.040 --> 00:01:23.239 +I think the answer for Emacs might be + +00:01:23.240 --> 00:01:25.719 +a little bit different than everything else, + +00:01:25.720 --> 00:01:28.599 +but I do want to show you what's out there + +00:01:28.600 --> 00:01:33.319 +so we can explore what are the possibilities + +00:01:33.320 --> 00:01:41.119 +of Emacs, AI, and generally how we get things done. + +00:01:41.120 --> 00:01:44.719 +Thanks. Let's dive right into it. + +NOTE Copilot + +00:01:44.720 --> 00:01:48.079 +We're going to start by showing you + +00:01:48.080 --> 00:01:51.039 +some things that are pretty well integrated, + +00:01:51.040 --> 00:01:55.279 +that look a lot like what you see in Emacs + +00:01:55.280 --> 00:01:58.679 +and fit in with the kinds of editing + +00:01:58.680 --> 00:02:02.639 +that you normally do in Emacs. + +00:02:02.640 --> 00:02:06.579 +So this is just kind of like, it's well integrated. + +00:02:06.580 --> 00:02:08.779 +So we're going to talk about Copilot and Semext. + +00:02:08.780 --> 00:02:12.679 +Copilot is by Microsoft via GitHub, + +00:02:12.680 --> 00:02:14.759 +and Semext is just my personal demo, + +00:02:14.760 --> 00:02:18.039 +but they're both showing you, you know, + +00:02:18.040 --> 00:02:24.399 +this kind of thing. Let's start with Copilot. + +00:02:24.400 --> 00:02:31.919 +Let's try out Copilot on just a standard bit of Elisp. + +00:02:31.920 --> 00:02:38.439 +We're going to write a Fibonacci function. + +00:02:38.440 --> 00:02:43.079 +Let's try out Emacs on a standard bit of Elisp. + +00:02:43.080 --> 00:02:49.279 +We're going to write a Fibonacci function. + +00:02:49.280 --> 00:02:53.159 +And you can see like as soon as we even start typing it, + +00:02:53.160 --> 00:02:56.339 +we get everything as a completion. + +00:02:56.340 --> 00:02:59.879 +So you can just press Tab here, + +00:02:59.880 --> 00:03:02.159 +and you've just completed + +00:03:02.160 --> 00:03:06.799 +a significant bunch of Emacs Lisp code. + +00:03:06.800 --> 00:03:09.919 +It will do this no matter where you are. + +00:03:09.920 --> 00:03:14.799 +So, pretty useful. It will just keep suggesting things. + +00:03:14.800 --> 00:03:16.439 +Do you want to do this? + +00:03:16.440 --> 00:03:17.479 +I'm not sure. + +00:03:17.480 --> 00:03:22.839 +But it usually is offering pretty reasonable things. + +00:03:22.840 --> 00:03:29.299 +So you could do this with code, + +00:03:29.300 --> 00:03:32.119 +of course, any code. + +00:03:32.120 --> 00:03:33.919 +You don't really even have to have a mode for it, right? + +00:03:33.920 --> 00:03:36.679 +That's kind of the beauty of AI is that + +00:03:36.680 --> 00:03:38.519 +you don't need any Emacs functionality for this, + +00:03:38.520 --> 00:03:39.519 +except for Copilot. + +00:03:39.520 --> 00:03:41.679 +It doesn't need to know the structure of your code. + +00:03:41.680 --> 00:03:45.279 +It doesn't need anything except for the text itself + +00:03:45.280 --> 00:03:51.239 +and whatever AI integration that this is. + +00:03:51.240 --> 00:03:53.739 +We can look at, you can do the same thing with Org-mode. + +00:03:53.740 --> 00:03:57.999 +So we could say create, no, + +00:03:58.000 --> 00:04:02.919 +how about let's, let's do, you know, spring cleaning. + +00:04:02.920 --> 00:04:10.839 +It's actually the fall, but still we'll say spring cleaning. + +00:04:10.840 --> 00:04:12.767 +And it'll start suggesting things that, you know, + +00:04:12.768 --> 00:04:15.439 +maybe at first, it doesn't really know what to do to + +00:04:15.440 --> 00:04:16.433 +clean up all code. + +00:04:16.434 --> 00:04:18.400 +It thinks I need to clean up code, but no, + +00:04:18.401 --> 00:04:21.839 +this is going to be actual, you know, + +00:04:21.840 --> 00:04:31.567 +clean hood over range. Clean out pantry. + +00:04:31.568 --> 00:04:33.879 +These are all really reasonable suggestions. + +00:04:33.880 --> 00:04:38.319 +You just keep going here. + +NOTE Semext + +00:04:38.320 --> 00:04:40.559 +I'm going to demonstrate Semext, + +00:04:40.560 --> 00:04:43.879 +which is a package I have on GNU Elpa, + +00:04:43.880 --> 00:04:48.719 +that is designed to integrate AI in a very Emacs-like way. + +00:04:48.720 --> 00:04:50.999 +And so what you could do is you could do a + +00:04:51.000 --> 00:04:54.799 +semext-search-forward. + +00:04:54.800 --> 00:04:58.719 +The UI looks just like other Emacs commands, + +00:04:58.720 --> 00:05:02.379 +but you can search for anything. + +00:05:02.380 --> 00:05:06.279 +There's really no way to express what I'm about to, + +00:05:06.280 --> 00:05:08.679 +what I'm trying to demonstrate + +00:05:08.680 --> 00:05:12.359 +in Emacs's normal search commands. + +00:05:12.360 --> 00:05:15.399 +You could really ask for anything. + +00:05:15.400 --> 00:05:18.759 +And it takes a little while, which is not Emacs-like, + +00:05:18.760 --> 00:05:20.033 +but everything else is sort of like + +00:05:20.034 --> 00:05:21.719 +it's designed to be like Emacs, + +00:05:21.720 --> 00:05:23.519 +except way more powerful. + +00:05:23.520 --> 00:05:27.119 +You don't need any mode to be active for this. + +00:05:27.120 --> 00:05:32.039 +You just need the library + +00:05:32.040 --> 00:05:34.759 +and an AI provider of some sort, either locally + +00:05:34.760 --> 00:05:41.199 +or, you know, your favorite cloud provider. + +NOTE Integrated AI experiences: gptel, ellama, chatgpt-shell, etc. + +00:05:41.200 --> 00:05:43.679 +Now we're going to move on to a different way + +00:05:43.680 --> 00:05:46.399 +of interacting with AI and Emacs. + +00:05:46.400 --> 00:05:52.319 +This way is less like the normal editing experience. + +00:05:52.320 --> 00:05:56.999 +So you lose some familiarity. However, in exchange, + +00:05:57.000 --> 00:05:58.079 +it is a lot more powerful. + +00:05:58.080 --> 00:06:00.119 +And there's a whole suite of these tools. + +00:06:00.120 --> 00:06:02.479 +I'm going to demonstrate gptel, + +00:06:02.480 --> 00:06:05.779 +which is the most popular one. + +00:06:05.780 --> 00:06:06.399 +But there are many. + +00:06:06.400 --> 00:06:08.479 +And I think different people have + +00:06:08.480 --> 00:06:11.759 +their own preferences of what they like to use. + +00:06:11.760 --> 00:06:12.999 +We're going to try now something + +00:06:13.000 --> 00:06:15.079 +that is a step away from just editing. + +00:06:15.080 --> 00:06:19.839 +And we're going to, I'm actually using gptel. + +00:06:19.840 --> 00:06:22.799 +There are several packages that are going to be + +00:06:22.800 --> 00:06:25.959 +doing the same sort of thing as I'm going to show you. + +00:06:25.960 --> 00:06:29.999 +gptel has sort of become the most popular one. + +00:06:30.000 --> 00:06:32.199 +So that's why I'm showing that to you. + +00:06:32.200 --> 00:06:39.319 +But let's just highlight everything and say gptel rewrite. + +00:06:39.320 --> 00:06:42.399 +And gptel basically just has a few things. + +00:06:42.400 --> 00:06:45.119 +There's different ways of thinking about this. + +00:06:45.120 --> 00:06:49.999 +With just a few very configurable menus, + +00:06:50.000 --> 00:06:53.959 +you can do a large variety of things. + +00:06:53.960 --> 00:06:59.819 +So let's give rewrite instructions. + +00:06:59.820 --> 00:07:06.600 +"Turn this into an iterative program + +00:07:06.601 --> 00:07:12.199 +instead of a recursive program." + +00:07:12.200 --> 00:07:17.799 +In Elisp, you really should not be using recursion. + +00:07:17.800 --> 00:07:20.359 +So we could say "return to be ready". + +00:07:20.360 --> 00:07:21.119 +Do we accept it? + +00:07:21.120 --> 00:07:24.519 +Yes, we accept it. Or we could iterate and say, no, no, + +00:07:24.520 --> 00:07:26.799 +that's not what we meant. We meant something else. + +00:07:26.800 --> 00:07:29.159 +Or you did something a little something wrong. + +00:07:29.160 --> 00:07:29.879 +Please fix it. + +00:07:29.880 --> 00:07:31.879 +So this is all very powerful. + +00:07:31.880 --> 00:07:33.799 +Is this editing? + +00:07:33.800 --> 00:07:40.279 +Well, it's in the editor. + +00:07:40.280 --> 00:07:42.759 +You could do this while editing, while deleting, + +00:07:42.760 --> 00:07:44.959 +you could be doing some sort of traditional editing. + +00:07:44.960 --> 00:07:47.679 +And then this, which is editing + +00:07:47.680 --> 00:07:48.919 +in the sense that it's in your editor, + +00:07:48.920 --> 00:07:51.039 +you might have to highlight + +00:07:51.040 --> 00:07:52.799 +some parts of the file and do things, + +00:07:52.800 --> 00:07:54.719 +but generally you don't even need to, + +00:07:54.720 --> 00:07:59.879 +or you go to a spot and you say, put code at this spot. + +00:07:59.880 --> 00:08:01.959 +It's kind of like editing. + +00:08:01.960 --> 00:08:05.839 +I would say it's not exactly editing, + +00:08:05.840 --> 00:08:10.159 +but it's at least something that must happen in an editor + +00:08:10.160 --> 00:08:12.359 +and it's well integrated into Emacs. + +00:08:12.360 --> 00:08:14.759 +As you can tell, it used very sort of + +00:08:14.760 --> 00:08:18.239 +modern standard Emacs UI paradigms + +00:08:18.240 --> 00:08:20.759 +and it's all written in Elisp. + +00:08:20.760 --> 00:08:23.779 +Everything is happening in Elisp here. + +00:08:23.780 --> 00:08:25.959 +So this is just very much an Emacs experience. + +00:08:25.960 --> 00:08:27.679 +It's just not exactly editing + +00:08:27.680 --> 00:08:29.879 +because the thing doing the editing + +00:08:29.880 --> 00:08:32.519 +is the AI and not you. + +00:08:32.520 --> 00:08:36.039 +You're just kind of telling it what to do. + +NOTE Outside the editor + +00:08:36.040 --> 00:08:41.119 +Now we're going to go and look at a way of interaction + +00:08:41.120 --> 00:08:43.239 +that's even more powerful + +00:08:43.240 --> 00:08:46.279 +and even more disconnected from the normal editing experience. + +00:08:46.280 --> 00:08:47.919 +In fact, it's so disconnected + +00:08:47.920 --> 00:08:52.399 +that most people are using this without an editor. + +00:08:52.400 --> 00:08:57.879 +These are things like Claude Code + +00:08:57.880 --> 00:09:01.079 +or the sort of open source equivalent, Aider. + +00:09:01.080 --> 00:09:05.039 +There's a few other things that follow this pattern as well. + +00:09:05.040 --> 00:09:07.479 +But it's very interesting in the sense + +00:09:07.480 --> 00:09:09.839 +that while you can integrate these with the editors, + +00:09:09.840 --> 00:09:12.039 +and I'm going to show you an Emacs integration, + +00:09:12.040 --> 00:09:13.519 +you don't need to. + +00:09:13.520 --> 00:09:16.939 +And that's not the way most people are using them. + +00:09:16.940 --> 00:09:19.759 +And I find it very interesting that sort of + +00:09:19.760 --> 00:09:23.719 +we're going back kind of full circle where, you know, + +00:09:23.720 --> 00:09:31.959 +in the 1960s or 70s, we were using Ed from the terminal + +00:09:31.960 --> 00:09:35.639 +to edit files, but then we created editors, + +00:09:35.640 --> 00:09:37.959 +and that was a really good idea. + +00:09:37.960 --> 00:09:40.167 +It is a lot easier to edit files + +00:09:40.168 --> 00:09:42.499 +when you have an actual UI. + +00:09:42.500 --> 00:09:46.879 +But now it's 2025, and we're back in the terminal, + +00:09:46.880 --> 00:09:50.799 +and we're editing files through the terminal, + +00:09:50.800 --> 00:09:53.599 +and you know what, it's great, + +00:09:53.600 --> 00:09:56.899 +but I think it's even better with Emacs. + +00:09:56.900 --> 00:10:00.279 +On the other hand, it comes with some trade-offs, + +00:10:00.280 --> 00:10:04.733 +as you can see, as we will see. + +NOTE Outside Experiences: claude-code.el, aidermacs, eca + +00:10:04.734 --> 00:10:07.467 +Okay, we're going to look at + +00:10:07.468 --> 00:10:20.320 +[audio glitch] Claude Code IDE, aidermacs, ECA. + +00:10:20.321 --> 00:10:22.639 +Last time, I didn't show you all the variants. + +00:10:22.640 --> 00:10:26.839 +I do want to show you eca, which points to, + +00:10:26.840 --> 00:10:29.799 +it is a very similar tool in what it does, + +00:10:29.800 --> 00:10:32.739 +but does have a different + +00:10:32.740 --> 00:10:37.239 +and I think better type of Emacs integration. + +00:10:37.240 --> 00:10:42.599 +All right, we're going to demonstrate Claude Code IDE, + +00:10:42.600 --> 00:10:46.839 +which is one of three Claude Code packages. + +00:10:46.840 --> 00:10:47.719 +It's a bit confusing. + +00:10:47.720 --> 00:10:52.039 +One of them will be demoed by another presenter + +00:10:52.040 --> 00:10:54.639 +at the Emacs conference, so stay tuned for that. + +00:10:54.640 --> 00:10:56.439 +Here I'm just going to give you a little taste + +00:10:56.440 --> 00:10:58.759 +of what these packages look like. + +00:10:58.760 --> 00:11:03.339 +So if we say Claude Code IDE, + +00:11:03.340 --> 00:11:06.839 +it presents us with basically + +00:11:06.840 --> 00:11:09.039 +almost exactly what you would get + +00:11:09.040 --> 00:11:11.519 +when you're running this in the terminal. + +00:11:11.520 --> 00:11:13.933 +And essentially there's a terminal interface. + +00:11:13.934 --> 00:11:16.659 +You can see that there's a vterm. + +00:11:16.660 --> 00:11:20.699 +But here we're going to say, "In scratch.el"... + +00:11:20.700 --> 00:11:23.400 +let's say what we want to happen. + +00:11:23.401 --> 00:11:32.133 +[In scratch.el, there is a fibonacci function. + +00:11:32.134 --> 00:11:39.567 +Can you add all normal elisp headers + +00:11:39.568 --> 00:11:43.859 +and footers to this file?] + +00:11:43.860 --> 00:11:45.840 +So, we just say what's going to happen, + +00:11:45.841 --> 00:11:48.399 +and this is going to do things in the background. + +00:11:48.400 --> 00:11:50.979 +It's not going to do things through Emacs. + +00:11:50.980 --> 00:11:54.079 +That said, there is an integration with Emacs, + +00:11:54.080 --> 00:12:00.659 +so that it can do things like show you these nice ediffs. + +00:12:00.660 --> 00:12:03.199 +My screen is not really wide enough + +00:12:03.200 --> 00:12:04.699 +to show you a really great ediff here, + +00:12:04.700 --> 00:12:06.239 +but you can kind of see what it's doing, + +00:12:06.240 --> 00:12:09.079 +and you can see, yeah, that looks good, + +00:12:09.080 --> 00:12:14.120 +so you could say yes, yes, accept the changes, + +00:12:14.121 --> 00:12:25.299 +and if we... Just need to revert the buffer. + +00:12:25.300 --> 00:12:28.459 +We can quit the printout of this. + +00:12:28.460 --> 00:12:33.019 +We see that it just did everything I asked it to. + +00:12:33.020 --> 00:12:36.139 +Is everything exactly right? + +00:12:36.140 --> 00:12:39.159 +Probably not. It's reasonable for a start though. + +00:12:39.160 --> 00:12:40.959 +But you could ask it to do anything. + +00:12:40.960 --> 00:12:45.339 +You could say, write unit tests for this, and it will. + +00:12:45.340 --> 00:12:49.019 +You could say, write me a suite of functions + +00:12:49.020 --> 00:12:52.579 +like Fibonacci, and it'll probably do something reasonable. + +00:12:52.580 --> 00:12:54.900 +But you can see this is not editing. + +00:12:54.901 --> 00:12:58.659 +There's nothing editing-like about this. + +00:12:58.660 --> 00:13:07.159 +That said, there is something that is editing. + +00:13:07.160 --> 00:13:08.599 +You need to give it instructions. + +00:13:08.600 --> 00:13:10.959 +You need to tell it what to do. + +NOTE Org files + +00:13:10.960 --> 00:13:19.619 +And what you could do is... You could have a project.org, + +00:13:19.620 --> 00:13:23.899 +and what you could do is you could have functions. + +00:13:23.900 --> 00:13:26.659 +The way I've done things often is .... + +00:13:26.660 --> 00:13:28.439 +You could say something like, + +00:13:28.440 --> 00:13:36.199 +unit tests for Fibonacci. How do you spell Fibonacci? + +00:13:36.200 --> 00:13:40.479 +I don't remember. But then you could say that this is, + +00:13:40.480 --> 00:13:47.159 +you could clock it, basically. org-clock. + +00:13:47.160 --> 00:13:48.879 +What I've done is... + +00:13:48.880 --> 00:13:50.399 +You could add custom commands to Claude Code, + +00:13:50.400 --> 00:13:53.119 +and you could just say, look, here's my Org file, + +00:13:53.120 --> 00:13:57.879 +read it and do the thing that I'm clocked in as. + +00:13:57.880 --> 00:14:01.159 +And then you can write a bunch of instructions here, like, + +00:14:01.160 --> 00:14:07.039 +I like to use ert for tests. Tests should, like, whatever. + +00:14:07.040 --> 00:14:08.639 +You should just say... everything + +00:14:08.640 --> 00:14:10.999 +you need to kind of specify. + +00:14:11.000 --> 00:14:13.199 +As you get to more complicated tasks, + +00:14:13.200 --> 00:14:16.679 +it's harder and harder to give it all the context + +00:14:16.680 --> 00:14:17.799 +it needs for a task, + +00:14:17.800 --> 00:14:22.299 +and Org Mode is actually a pretty good way to do this. + +00:14:22.300 --> 00:14:24.079 +I find that this works pretty well, + +00:14:24.080 --> 00:14:26.699 +and you can even have it instruct Claude + +00:14:26.700 --> 00:14:29.333 +to just mark things done in your Org file + +00:14:29.334 --> 00:14:30.679 +when they're done. + +00:14:30.680 --> 00:14:32.867 +And it knows how to do this, of course. + +00:14:32.868 --> 00:14:37.959 +So, let's just clock out. + +00:14:37.960 --> 00:14:45.239 +That's one way to do things. + +NOTE ECA + +00:14:45.240 --> 00:14:49.499 +So one other thing I'd like to show you is eca, + +00:14:49.500 --> 00:14:52.879 +which, compared to Claude Code, ECA is open source. + +00:14:52.880 --> 00:14:54.239 +It's very nice in that respect. + +00:14:54.240 --> 00:14:57.839 +It doesn't have to use Anthropic's models. + +00:14:57.840 --> 00:15:00.279 +You can use local models, + +00:15:00.280 --> 00:15:07.619 +but it has the advantage of integrating very well with Emacs. + +00:15:07.620 --> 00:15:08.559 +I'm not going to demonstrate it, + +00:15:08.560 --> 00:15:11.159 +because it works essentially the same thing you could do + +00:15:11.160 --> 00:15:14.119 +approximately the same kinds of things + +00:15:14.120 --> 00:15:15.479 +you could do with Claude Code. + +00:15:15.480 --> 00:15:17.439 +You just write what you want to happen + +00:15:17.440 --> 00:15:18.639 +and it will make it happen. + +00:15:18.640 --> 00:15:21.879 +It again does not do this through Emacs, + +00:15:21.880 --> 00:15:23.039 +but what it does do is + +00:15:23.040 --> 00:15:25.119 +it gives you a much better Emacs interface + +00:15:25.120 --> 00:15:26.919 +that's not terminal-based, + +00:15:26.920 --> 00:15:29.639 +because you're not using it through the terminal, + +00:15:29.640 --> 00:15:31.239 +or not even through comint, + +00:15:31.240 --> 00:15:35.599 +you are using it through a backend + +00:15:35.600 --> 00:15:37.499 +that is exchanging structured information + +00:15:37.500 --> 00:15:40.999 +with this process that is doing all the work. + +00:15:41.000 --> 00:15:41.900 +But other than that, + +00:15:41.901 --> 00:15:44.519 +it's the same model as Claude Code + +00:15:44.520 --> 00:15:52.059 +and projects of that nature. + +NOTE Editing + +00:15:52.060 --> 00:15:56.159 +We've seen in the demos that I gave + +00:15:56.160 --> 00:15:58.639 +that there are AI experiences + +00:15:58.640 --> 00:16:01.279 +that are very natural in the world of editing. + +00:16:01.280 --> 00:16:05.339 +because they, like Copilot, just offers completion, + +00:16:05.340 --> 00:16:09.479 +it fits very well with what we all do in Emacs. + +00:16:09.480 --> 00:16:14.279 +And it's truly, yes, it's kind of a cheat in a sense + +00:16:14.280 --> 00:16:15.639 +for editing experiences, + +00:16:15.640 --> 00:16:20.159 +because it can do so much, but it's just editing. + +00:16:20.160 --> 00:16:25.259 +Whereas things like gptel and those kinds of tools, + +00:16:25.260 --> 00:16:29.799 +they are clearly in an editor and using editor, + +00:16:29.800 --> 00:16:35.319 +they're using Emacs, but they represent sort of like, well, + +00:16:35.320 --> 00:16:37.759 +you can edit for a while, then you could use these tools + +00:16:37.760 --> 00:16:39.479 +to do something that is not editing, + +00:16:39.480 --> 00:16:45.899 +this AI just changing the buffer for you. And that's fine. + +00:16:45.900 --> 00:16:48.399 +It's still... It may not be editing, + +00:16:48.400 --> 00:16:52.033 +but it's still clearly something that + +00:16:52.034 --> 00:16:55.567 +is useful to do in Emacs + +00:16:55.568 --> 00:16:57.039 +and belongs in Emacs. + +00:16:57.040 --> 00:17:01.859 +But the new tools like Claude Code and things like that + +00:17:01.860 --> 00:17:02.639 +are kind of different. + +00:17:02.640 --> 00:17:06.639 +Yes, they will get better integrated with Emacs, + +00:17:06.640 --> 00:17:11.639 +but it's not clear that they really need to. + +00:17:11.640 --> 00:17:15.479 +They can do a lot of things without editing. + +00:17:15.480 --> 00:17:19.239 +In a sense, editing is obsolete in some sense. + +00:17:19.240 --> 00:17:23.459 +For as many tasks, you don't need to edit anymore. + +00:17:23.460 --> 00:17:26.439 +And that's a nice thing. + +00:17:26.440 --> 00:17:30.579 +No one really knows when all this will end, + +00:17:30.580 --> 00:17:36.879 +how far things will go. It could be that in a decade or so, + +00:17:36.880 --> 00:17:41.039 +no one's really editing for work anymore. + +00:17:41.040 --> 00:17:43.159 +Maybe you're just writing instructions. + +00:17:43.160 --> 00:17:44.319 +You could do that with anything. + +00:17:44.320 --> 00:17:47.439 +You don't need Emacs or any special editor. + +00:17:47.440 --> 00:17:50.439 +We could all be using Notepad. That would be bad. + +00:17:50.440 --> 00:17:58.039 +But... I think it could go that far, + +00:17:58.040 --> 00:18:01.839 +but it could be that, well, for many specialized things, + +00:18:01.840 --> 00:18:04.359 +people are still using editing for certain tasks, + +00:18:04.360 --> 00:18:07.000 +but most tasks are getting fed to just... + +00:18:07.001 --> 00:18:08.839 +AI is just doing those things. + +00:18:08.840 --> 00:18:15.759 +In any case, I think it's clear that editing is diminishing, + +00:18:15.760 --> 00:18:17.959 +the need for editing itself is diminishing. + +00:18:17.960 --> 00:18:21.879 +And in such a world, It's interesting to think + +00:18:21.880 --> 00:18:24.799 +where Emacs is headed, especially in relation to + +00:18:24.800 --> 00:18:26.359 +all the other editors. + +00:18:26.360 --> 00:18:28.599 +I think people will use Emacs less. + +00:18:28.600 --> 00:18:31.639 +But I think other editors, like VS Code, + +00:18:31.640 --> 00:18:37.999 +may simply disappear or be a relatively fringe tool. + +00:18:38.000 --> 00:18:42.719 +And Emacs is going to follow its own path. + +00:18:42.720 --> 00:18:44.679 +It's very extensible. It could do anything. + +00:18:44.680 --> 00:18:47.919 +If there's one thing Emacs can do, it's adapt. + +00:18:47.920 --> 00:18:51.679 +Emacs has been around for a long time. + +00:18:51.680 --> 00:18:54.799 +It's pretty clear that Emacs will be around for a long time. + +00:18:54.800 --> 00:18:58.879 +It might be that in the future, + +00:18:58.880 --> 00:19:04.339 +editing is some sort of like an artisanal activity that we do. + +00:19:04.340 --> 00:19:05.599 +It's kind of weird to think about it. + +00:19:05.600 --> 00:19:07.679 +It's not like baking bread. + +00:19:07.680 --> 00:19:10.079 +But it is the sense that AI might be + +00:19:10.080 --> 00:19:12.399 +churning out code in the way, you know, + +00:19:12.400 --> 00:19:14.199 +the factories are turning out bread, + +00:19:14.200 --> 00:19:17.139 +but if you really want the good stuff, + +00:19:17.140 --> 00:19:20.999 +you'll have to do it yourself. + +00:19:21.000 --> 00:19:23.959 +I don't know if it'll be exactly like that, + +00:19:23.960 --> 00:19:29.519 +but it could be that Emacs survives and thrives + +00:19:29.520 --> 00:19:33.559 +in a very kind of specialized ecosystem of people + +00:19:33.560 --> 00:19:35.599 +who contribute and use it in the way + +00:19:35.600 --> 00:19:39.539 +it has survived and thrive right now. + +00:19:39.540 --> 00:19:46.139 +And I think that's a really nice way for all this to end up. + +00:19:46.140 --> 00:19:48.719 +There's the whole sense of how society will end up + +00:19:48.720 --> 00:19:50.759 +if all this happens. I don't know, + +00:19:50.760 --> 00:19:54.639 +but Emacs will be there for us when whatever happens. + +00:19:54.640 --> 00:20:00.079 +So thank you, and let's help make Emacs the best it can be + +00:20:00.080 --> 00:20:04.880 +to survive and thrive in the next decade. |