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4 votes

Step size constraint in Euler backward

This answer is about illustrating the comments on the structure of the Jacobian, the resulting Lipschitz constant and its consequences on the step size. There are only two non-zero entries per row ...
Lutz Lehmann's user avatar
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1 vote

How to plot the power spectrum

I pick a column, the sixth, take the FFT, then take the absolute-value squared I guess this is not one PROPER method to estimate power spectrum. The code ...
138 Aspen's user avatar
  • 133
5 votes

enough conditions to check that a matrix doesn't have Cholesky factorization while factorizing it

You are trying to figure out what is known as Modified Cholesky. There are a lot of resources on it, but McSweeney's thesis is a good starting point "Modified Cholesky Decomposition and ...
Abdullah Ali Sivas's user avatar

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