Homework Help: Math

Posted by Hannah on Thursday, April 21, 2011 at 9:17pm.

I am having trouble figuring out how to do partial derivatives. I have tried practice problems and have read my textbook but I am still so confused. Could someone please explain how to do this? Thank you.

Math - bobpursley, Thursday, April 21, 2011 at 9:49pm
Partial derivatives. Treat all other variables as constants.

example
f= x sin z

df/dz= x cos z and the partial df/dx= sinz

example
f= x^2y^3 z^-7

df/dy= 3x^2*y^2*z^-7

http://en.wikipedia.org/wiki/Partial_derivative

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