Dec 7, 2007 #1 tnacrew Messages 1 Reaction score 0 Δƒ/Δx and Δƒ/Δy. ƒ(x,y) = xy² + x²y anyone able to calculate?
Dec 7, 2007 #2 ozymandias Messages 84 Reaction score 0 I'm not sure what you mean by \frac{\Delta f}{\Delta x}. Do you mean \frac{\partial f}{\partial x}? At any rate, why don't you tell us what you've tried and where you get stuck? -------- Assaf http://www.physicallyincorrect.com/" Last edited by a moderator: May 3, 2017
I'm not sure what you mean by \frac{\Delta f}{\Delta x}. Do you mean \frac{\partial f}{\partial x}? At any rate, why don't you tell us what you've tried and where you get stuck? -------- Assaf http://www.physicallyincorrect.com/"
Dec 7, 2007 #3 HallsofIvy Science Advisor Homework Helper Messages 42,895 Reaction score 984 Whether you mean the partial derivatives or the "difference quotients" those are both pretty straightforward by methods you learned in elementary calculus. How have you tried to do them?
Whether you mean the partial derivatives or the "difference quotients" those are both pretty straightforward by methods you learned in elementary calculus. How have you tried to do them?