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how to calculate slope of each grid ?

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Pritha Pande
Pritha Pande 2017-5-30
评论： Pritha Pande 2017-6-1
i have 80*80 matrix. I wanted to write a code to find slope of every grid.
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Jan
Jan 2017-5-30
Then your professor might be so kind to define, which slope you should calculate. The slope in x and in y direction? The direction of the steepest descent? The vector orthogonal to the plane in each point? Imagine you have a balloon. What is the "slope" in each point?
Pritha Pande
Pritha Pande 2017-6-1
Got the slope now. Anyways, thanks for the help.

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Jan
Jan 2017-5-30
编辑：Jan 2017-5-30
[dx, dy] = gradient(X)

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