How to replace non zero value with character

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Vishal Sharma
Vishal Sharma 2017-6-23
编辑： Jan 2017-6-23
Matrix A = [0 0 1; 1 0 0;0 2 0];
I want to create another matrix replacing non zeros elements (i.e. (1,3), (2,1), (3,2) with character string, e.g. OK
Please suggest....

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回答（1 个）

Stephen23
Stephen23 2017-6-23
>> A = [0 0 1; 1 0 0;0 2 0];
>> C = repmat({''},size(A));
>> C(A~=0) = {'OK'}
C =
'' '' 'OK'
'OK' '' ''
'' 'OK' ''
  2 个评论
Jan
Jan 2017-6-23
编辑：Jan 2017-6-23
@Vishal Sharma: Do you see that Stephen has used a cell? You cannot mix numbers and characters directly in a double array.
Or:
Pool = {'', 'OK'};
C = Pool((A~=0) + 1);

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