find the gradient by using laplacian

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Chris Loizou
Chris Loizou 2015-11-2
评论： Star Strider 2015-11-2
hello all, i have a graph that i wanted to calculate the steepest slope on each descending part of the curve. I did it. But i want to confirm that for sure that is the point with the biggest slope. so i want to use the laplacian mode. can anyone help me how im gonna do that?
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Image Analyst
Image Analyst 2015-11-2
It looks like you're already finding the slopes. So just find them all in a for loop and keep track of which is the biggest.

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回答（2 个）

Star Strider
Star Strider 2015-11-2
I would use the gradient function, if you haven’t already.
Chris Loizou
Chris Loizou 2015-11-2
i already did that. i need to use the lapacian in order to confirm that.

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