is anyone know, how to know the matrix coordinate..?

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nu
nu 2013-12-1
回答： nu 2013-12-1
is anyone know, how to know the matrix coordinate..?
a = [1 1 0; 0 0 0; 0 0 1;];
1 have coordinate on, (1,1) (1,2) and (3,3)
how to know the matrix coordinate..?

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采纳的回答

Wayne King
Wayne King 2013-12-1
编辑：Wayne King 2013-12-1
a = [1 1 0; 0 0 0; 0 0 1;];
idx = find(a==1); % linear coordinates
[I,J] = ind2sub(size(a),idx);
The I,J pairs are the "matrix coordinates"

更多回答（2 个）

Azzi Abdelmalek
Azzi Abdelmalek 2013-12-1
In your case, you have only 1 and 0
a = [1 1 0; 0 0 0; 0 0 1;];
[ii,jj]=find(a)
nu
nu 2013-12-1
very thank you @wayne king and @azzi abdelmalek for your answer, that was very help me:)

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