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John D. Cook Consulting Blog

John D. Cook Consulting Blog

9 | Follower

Science

John D. Cook Consulting Blog

24.06.2025

Uniformity increases entropy

Entropy increases as system states become more uniform and decreases as they become further from uniform.

John D. Cook Consulting Blog

24.06.2025

Sinc function approximation

A simple approximation to the sinc function, a function that comes up constantly in signal analysis.

John D. Cook Consulting Blog

25.06.2025

Log-ish

I saw a post online this morning that recomended the transformation I could see how this could be very handy. Often you want something like a logarithmic scale, not for the exact properties of the logarithm but because it brings big numbers closer in. And for big values of x there's little difference between log(x) and

John D. Cook Consulting Blog

26.06.2025

Patching functions together

When you patch two functions together, how smooth does the patch need to be? How do you measure smoothness?