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Topic: Best syntax for derivative
Replies: 3   Last Post: Feb 13, 2009 3:44 AM

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talmanl@mscd.edu

Posts: 1,838
Registered: 12/6/04
Re: Best syntax for derivative
Posted: Feb 13, 2009 3:44 AM
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Maybe you want

Derivative[0,1,0][f][x, y, z]

???



On Feb 12, 2009, at 4:41 AM, Aaron Fude wrote:

> Hi,
>
> Suppose I have a function of three variables
>
> f[x_, y_, z_]:=Sin[x y z]
>
> And I want to construct g[x, y, z] which is the partial derivative
> of f
> [] with respect to y. I do
>
> f[x_, y_, z_] := Sin[x y z]
> g[x_, y_, z_] := D[f[x, temp, z], temp] /. temp -> y
>
> but I'm sure there is something better. Something along the lines of
>
> g = Partial[f, 2]
>
> Many thanks in advance.
>
> Aaron
>
>




--Lou Talman
Department of Mathematical and Computer Sciences
Metropolitan State College of Denver

<http://clem.mscd.edu/%7Etalmanl>






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