Asked by kash
on 29 Mar 2013

I have a image

which consists of cartesian coordinates,plz tell how to implement these coordinates,which function must be used

Kindly help

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Answer by Walter Roberson
on 29 Mar 2013

Use the symbolic toolbox function diff()

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Walter Roberson
on 3 Apr 2013

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## 3 Comments

## Walter Roberson (view profile)

Direct link to this comment:http://www.mathworks.com/matlabcentral/answers/69058#comment_139724

What is the context for that? It does not appear to be general Cartesian coordinates: it appears to be the expression in Cartesian coordinates of something like a wave function or a rotation.

## kash (view profile)

Direct link to this comment:http://www.mathworks.com/matlabcentral/answers/69058#comment_139727

it is equation taken from

http://en.wikipedia.org/wiki/Navier%E2%80%93Stokes_equations

which is Navier–Stokes equations

## kash (view profile)

Direct link to this comment:http://www.mathworks.com/matlabcentral/answers/69058#comment_139731

its for fluid flow