Central difference approximations to estimate a Jacobian matrix, HELP!!!

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Danielle Moore
Danielle Moore 2016-3-17
I have two function F and G defined in script files FM.m and GM.m and I've been asked to use central difference approximations to estimate the Jacobian matrix J =[Fx(1,2) Fy(1,2);Gx(1,2) Gy(1,2)] in which Fx denotes partial differentiation variable.
The central difference approximation is f'(x)=(f(x+h)-f(x-h))/2h.
Any help would be really appreciated, thanks!!

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