Monthly Archives: May 2016

The Poisson Summation Formula

There are various conventions for normalizing the Fourier transform. For the purposes of this post, let’s write The Poisson Summation Formula concerns the sum Where on Earth did that come from? Well, without regard to convergence issues, we have So … Continue reading

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Elliptic integrals, I

This has tripped me up in the past, so let’s write it down. Imagine we have an ellipse Let’s say we have some parametrization (x(t), y(t)) of the ellipse and we want to convert it into a unit-speed parametrization. We … Continue reading

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