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I'd like to make some animations for a presentation showing math function-like substitutions. For example, given

f(x) = x + x

and

f(2)

the animation would show starting with both, then 2 being substituted for x in x + x, and the result of that replacing f(2), with the various items sliding around the screen so you can see the substitution happening visually.

What I really need is to show substitution for lambda calculus expressions, like (\x.x) (\x.x), which is very similar, so if there's software tailored for that, even better.

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    This depends on the presentation software (e.g. PowerPoint, LaTeX Beamer/PDF) you will be using. Second question: Do you need a real animation or is simply appearing/disappearing of the objects sufficient?
    – ComFreek
    Aug 6, 2015 at 6:16
  • I'm interested in any solution. I can use whatever it takes. I need a real animation, although I imagine stuff might disappear in the animation after substitution.
    – sleepytea
    Aug 7, 2015 at 6:47

1 Answer 1

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Processing.js and MathJax?

http://www.akb.me.uk/equations

enter image description here

Though to be honest, once your expressions have been converted to SVG (like MathJax does here) you could save it (or even screen-grab, trim and save as an image). Then you'd probably get a much better software recommendation for how do I create an animation from such files.

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  • Thanks, it's a good start, although more heavy lifting than I was hoping.
    – sleepytea
    Sep 3, 2015 at 18:02
  • @indil yeah, that turned out more involved than I was hoping too
    – Antony
    Sep 8, 2015 at 14:44

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