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Bac Tran
02/16/01 6:47pm

Dear Sirs:

I am trying to define a function of 3 variables as below, and evaluate dx at
the point {1,-1,1}. But I don't know how to.

f[x_,y_,z_]= Log[1 + 2 x -y + 3 z]; Is it the right way to define f?
Let dx=D[f,x] How to evaluate dx at {1,-1,1}?

Thank you very much.


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Subject (listing for 'Partial Derivative')
Author Date Posted
Partial Derivative Bac Tran 02/16/01 6:47pm
Re: Partial Derivative Forum Modera... 02/18/01 5:11pm
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