How can I create following matrix using code

2014 5 8

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How can I create following matrix using code (as I have to create a large matrix of similar nature):

A_1= [1 1 1; 0 0 0; 0 0 0]
A_2= [0 0 0; 1 1 1; 0 0 0]
A_3=[0 0 0; 0 0 0; 1 1 1]

For A_1 the first row is 1 and rest are zero. For A_2 second row is 1 and other are 0. For A_3 third row is 1 and rest 0.

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Walter Roberson 2014-5-8

That looks like a series of matrices rather than a single matrix.

Youssef Khmou 2014-5-8

0 个投票

try :

 N=3;
 A1=[ones(1,N);zeros(2,N)];
 A2=[zeros(1,N);ones(1,N);zeros(1,N)];
 A3=[zeros(2,N);ones(1,N)];

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