How to derive the 2D field and convergence based on xy gradients
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Hi all
This might be an easy question but I am a bit stuck on it. The function gradient yields xy gradients of a 2D field:
[px,py] = gradient(z);
But how do I move the other way? I.e.: z=f(px,py) where I have px and py and f is the unknown function/mechanism. My first thought revolves around using filter2 but I can't seem to figure it out.
Secondly: What would be an easy way to determine whether a region is subject to convergence/divergence?
Any thoughts?
Cheers
Jakob
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Torsten
2015년 4월 1일
For your first question:
https://www.mathworks.com/matlabcentral/newsreader/view_thread/313599
For your second question:
I don't understand what you mean by: determine whether a region is subject to convergence/divergence ?
Best wishes
Torsten.
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