wolfram-mathematica

Minimizing NExpectation for a custom distribution in Mathematica

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This relates to an earlier question from back in June: Calculating expectation for a custom distribution in Mathematica I have a custom mixed distribution defined using a second custom distribution following along the lines discussed by @Sasha in a number of answers over the past year. Code defining the distributions follows: nDist /: CharacteristicFunction[nDist[a_, b_, … Read more

How do I find Waldo with Mathematica?

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This was bugging me over the weekend: What is a good way to solve those Where’s Waldo? [‘Wally’ outside of North America] puzzles, using Mathematica (image-processing and other functionality)? Here is what I have so far, a function which reduces the visual complexity a little bit by dimming some of the non-red colors: whereIsWaldo[url_] := … Read more