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How can I replace integer values in a array?

3 次查看（过去 30 天）
Noman Abir
Noman Abir 2021-1-3
回答： Image Analyst 2021-1-3
I Have some values in a array like this.
A = -4
-4
-4
4
4
4
I want to convert all negative values to 0 and all positive values to 1.
How can I do that.??
Outcome should be :
B = 0
0
0
1
1
1

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回答（2 个）

Matt J
Matt J 2021-1-3
编辑：Matt J 2021-1-3
B=(sign(A)+1)/2
Image Analyst
Image Analyst 2021-1-3
We already answered this in your other question:
https://www.mathworks.com/matlabcentral/answers/707043-binary-value-conversion#comment_1241803
B = double(A > 0)

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