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Matt Henderson

Follow @matthen2

31 Jul, 4 tweets, 2 min read

visualizing prime factors

more numbers

My old version of this

blog.matthen.com/post/120471240…

@WolframResearch

Mathematica @WolframResearch code to create this animation wolframcloud.com/obj/matt68/Pub…

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More from @matthen2

Matt Henderson

@matthen2

11 Sep 20

@cnxhk

WaveGrad by @cnxhk et al is a clever new neural net for generating speech. It starts with random noise, and iteratively denoises, essentially hallucinating a voice in the noise. Listen to the voice emerge, as the number of iterations increases with time 🔉

The WaveGrad paper: arxiv.org/abs/2009.00713

the video shows mel-spectrogram features that are used to guide the denoising and specify the speech to produce. These could be the output of a text-to-speech system

Read 4 tweets

Matt Henderson

@matthen2

15 Jul 20

creating an infinite spiral zoom using complex analysis. The map z -> z^(x + i y) warps the image so that it can be infinitely repeated inside itself

we can get different spirals by changing the complex exponent. Here's a double spiral

#mathquiz what type of spiral is this?

Read 4 tweets

Matt Henderson

@matthen2

6 Jul 20

I managed to make a pretty good 3d model of the Julia set ring. Is anyone interested in helping me 3d print it?

I first created code to generate the perimeter of a Julia set in mathematica, by repeatedly applying the inverse map to (1, -1, i, -i). Then I wrote some python code to generate a .obj 3d model, and rendered in blender