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How to save index of Values of an item in a matrix?

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Robert
Robert 2023-3-17
回答： Dyuman Joshi 2023-3-17
I have a matrix of of elements like
[0,0,0,1,0,0,0,0,1,0,1]
I'd like to go through the matrix and at each element where the value is greater than zero, I want to save the index to a new matrix such that the new matrix looks like:
[4, 9, 11]

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回答（1 个）

Dyuman Joshi
Dyuman Joshi 2023-3-17
Ran in:
x=[0,0,0,1,0,0,0,0,1,0,1];
y=find(x>0)
y = 1×3
4 9 11

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