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How can i find column refer to row

Asked by Light on 7 Jun 2013

A=[-1,1,1;0,-1,0;0,0,-1;1,0,0];

blnA = logical( A == -1 );

blnOut = find(all(ismember(A,[0,-1]),2));

(Now i chose row 3) 0,0,-1

and how can i find a column which is including 1 and refering to that row 3's -1

( in that matrix column 3 must be chosen)

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Light

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1 Answer

Answer by Walter Roberson on 7 Jun 2013
Accepted answer
negcolumn = find(A(ThisRow,:) == -1);
onerow = find(A(:,negcolumn) == 1);
A(onerow, negcolumn)    %crosscheck

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Walter Roberson

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