Don't know how to do this. Please help!!

Find gradient vector of f(x,y).

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- May 5th 2008, 03:33 AM4sweet2005Find gradient vector
Don't know how to do this. Please help!!

Find gradient vector of f(x,y). - May 5th 2008, 03:42 AMMoo
Hello,

The gradient vector of a function is defined as following :

For example, is the derivative of f, considering that x is the variable and y is a constant. - May 5th 2008, 03:47 AM4sweet2005
This is what I just worked out ( 2y/(x-y)^2 , -2y/(x-y)^2 ), not sure if that's the answer?

Please help! - May 5th 2008, 03:54 AMtopsquark