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From: Gerrit Reher on 4 May 2010 11:09
Hello,

I have a problem with numerical differentiation. I have a m-file which gives n=2553 values (a vector) for some input. The input consists in particular of a parameter vector x with about 12 elements. I want to get the jacobian matrix without using a "for"-loop and calculate each of the 2553 vectors seperate (The m file is not able to generate just one of the 2553 values, it must generate them all (or at least to get element number m, i need the first m elements).

How can I geht the Jacobian matrix numerical at a specific point?

Thanks a lot
Gerrit
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