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How to replace the 5 in my vector with decreasing numbers like 5,4,3,2,1

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Pallav Patel
Pallav Patel 2020-2-23
回答： Walter Roberson 2020-2-24
x(3:4,3:5) = 5
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Pallav Patel
Pallav Patel 2020-2-24
Try the command in Matlab and you will see the columns and rows specified will be filled with 5's. Matlab automatically fills an undefined vector with zeros. what I am trying to do is have a decreasing or increasing number and that was just a template to upload to Mathworks. I have seen such an example before but can't seem to find it.

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采纳的回答

Walter Roberson
Walter Roberson 2020-2-24
x(3:4,3:5) = reshape(5:-1:0, 2, 3);

更多回答（1 个）

madhan ravi
madhan ravi 2020-2-23
Z=num2cell(x);
Z(cellfun(@(zx)zx==5,Z))={5:-1:1}
celldisp(Z)

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