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This tag is used to refer to mathematical/probabilistic/statistical modeling questions, usually this tag is used to ask about questions that are related with the mathematical formalism of the model instead of the correctness of a specific model in practice.

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Which way is the right way to calculate auto correlation function

I am not sure about my answer, as I am not completely fluent in MatLab. The "regular" method is self-evident enough that I can parse it. The FFT method, if I am interpreting it correctly, is by evalua …
Willie Wong's user avatar
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8 votes

Application for Differential Equation of higher order

The stationary / travelling wave / soliton regime of the KdV equation and its cousins give a lot of examples. For the original KdV, under the travelling wave ansatz we have the third order equation $$ …
Willie Wong's user avatar
  • 39.1k