how can i plot this point??????!!!!!

2015 11 22
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更新时间：2015 11 22
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heyy i have a matrix of two rows(net(2,:)is the absis x and net(3,:) the absis y) i want to plot the point corespondance of this matrix but i eliminate the point whos have (0,0)for exemple
M=[1 2 3 4, 2 3 0 4, 5 6 0 9]
WHN I PLOT I WANT HAVE 3 POINT (2,5)(3,6)(4,9) AND ELIMINATE THE POINT (O,O) and generated in new matrix
M=[1 2 4, 2 3 4,5 6 9]

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the cyclist
the cyclist 2015-11-22

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M = [1 2 3 4;
2 3 0 4;
5 6 0 9];
indexToRemove = M(2,:)==0 & M(3,:)==0;
M(:,indexToRemove) = [];

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