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Old 11-04-2009   #2

Join Date: Dec 2008
Posts: 249

Originally Posted by ab-babb View Post
Okay i am really new to the forums,

anyway i have a practice sheet to complete for tutorial in a few hours and i need help completing it........anybody? please

it would be nice if someone could really explain it.......but i would appreciate d solution also

thank you......i hooope hope i get a reply!
1. a. phi(x,y,z) = (x^2)(y^3)(z^4) - 3(x)(y^2)
grad (phi) =
(2(y^3)(z^4)(x) - 3(y^2), 3(x^2)(z^4)(y^2) - 6xy, 4(x^2)(y^3)(z^3))

Take the partial derivatives of each term with respect to x, y, and z)

That's all I can remember right now.
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