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How do I fill an array with 1's in particular rows and columns that I want

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Sagar Saxena
Sagar Saxena 2018-6-15
回答： Walter Roberson 2018-6-15
array = zeros(100, 100)
Now, I need to make a square filled with 1's(on the boundary as well as inside), from row 20 to 80 and column 20 to 80? how should I do this ?

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Walter Roberson
Walter Roberson 2018-6-15
array(20:80, 20:80) = 1;

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