Replace Values using For Loops

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Angie
Angie 2018-2-8
编辑： Birdman 2018-2-8
I am brand new to Matlab-I have a data matrix that is 128x128 and I would like to use a for loop to access every element of the data matrix, and replace every value higher than 60 with 1 and every value less than 60 by 0. I would appreciate your help. Thanks!

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Birdman
Birdman 2018-2-8
编辑：Birdman 2018-2-8
You don't need a for loop for this.
a=randi([1 120],128,128);%demo data
a(a>60)=1;
a(a<=60)=0;

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