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How to swap cells in matrix with code

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Allen Antony
Allen Antony 2020-9-21
回答： Ameer Hamza 2020-9-21
I have to change the value of every cell in a matrix which is >5. However I am not sure how. I have to include the 'find' function. I have to change every value greater than 5 to 0, I am not sure how.
D=[8 1 6;3 5 7;4 9 2];
[d1,d2]=find(D>5);
d=[d1,d2];
disp(d)
Doing this gives me
>> PBTask4p3
1 1
3 2
1 3
2 3
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Allen Antony
Allen Antony 2020-9-21
I will look at it, but I do kind of need find for the task.

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采纳的回答

Ameer Hamza
Ameer Hamza 2020-9-21
Check this
D = [8 1 6;3 5 7;4 9 2];
idx = find(D > 5);
D(idx) = 0;
Result
>> D
D =
0 1 0
3 5 0
4 0 2

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