David Holdaway

Durham University

自 2012 起处于活动状态

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统计学

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Vectorizing Code - how can I populate elements of a matrix from a vector without a FOR loop?
Do you NEED to make B as a matrix? Fangjun Jiang and Jan Simon's methods will work fine for what you have asked, but I've found...

12 years 前 | 0

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Numerically solving a differential equation up to a certain value of the time dependent variable
I have a second order differential equation x''(t) = f(x) with an initial condition x(0) = x0 ; x'(0) = 0; I wish to ...

12 years 前 | 0 个回答 | 0

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Finding eigenvectors of a matrix when all eigenvalues are known
I am currently running a code that has to diagonalise a large number of matrices every run. From other considerations I know wh...

12 years 前 | 1 个回答 | 0

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