Finding column and row number of a element in array

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Sang Heon Lee
Sang Heon Lee 2017-9-25
编辑： Stephen23 2017-9-25
How can I get the number of column and row which certain element of array in located?
For example, for a array or matrix of [1,2,3;4,5,6;7,8,9], how can I obtain the value of row = 3 and column = 3 for finding the maximum value? (which is 9 in this case)

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回答（1 个）

Stephen23
Stephen23 2017-9-25
编辑：Stephen23 2017-9-25
>> A = [1,2,3;4,5,6;7,8,9]
A =
1 2 3
4 5 6
7 8 9
>> [val,idx] = max(A(:));
>> [row,col] = ind2sub(size(A),idx)
row =
3
col =
3
>> val
val =
9

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