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Say I had n equations, with n variables, so that

C1 = C1(f1), C1 is a funtion of f1 only

C2 = C2(f1, f2), C2 is a function of f1 and f2

...

Cn = Cn(f1, f2...fn), Cn is a function of all n vairables

I can calculate the matrix dC/ df where each line is the derivative of Ci with respect to the n vairables, The matrix will look something lile

a 0 0 0... 0

b c 0 0... 0

...

u v w x... z

Now if I was after the matrix df/dC then am I basically just trying to invert this matrix?

Thanks very much for any help

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# Can I use inverseof matrix?

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