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How to replace numbers in a matrix with another number?

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Omm Samantaray
Omm Samantaray 2022-7-13
回答： Abhijit Nayak 2022-7-13
I am stuck with a problem. I have a 2D matrix, let’s say, m*n as the size of the matrix. I want to put the values whose magnitude is less than a given constant (a very small decimal number) as 0, but I want to avoid for loop in my code for this.
Is there any way to do this?
Thank you.

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Abhijit Nayak
Abhijit Nayak 2022-7-13
I guess from my understanding of your question that you just want to replace the values with 0 if their magnitude is less than a number.
Try the given below code. It is better than having for loop for this operation in MATLAB.
A=rand(6,5)
n=0.5;
A(abs(A)<n)=0

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