how can i obtain this ?

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diadalina
diadalina 2017-11-21
评论： diadalina 2017-11-21
i would like to use the command reshape to convert a vector v=11:99 to a matrix (9x9), how can i do this, can anyone help me ?

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Birdman
Birdman 2017-11-21
You can not do it when v=11:99.
If you want to convert to 9x9 matrix, then you need to have 81 elements in your vector, with this you have 89. If you define it as v=11:91, then the following command will do what you want.
v=reshape(v,9,9)
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Birdman
Birdman 2017-11-21
v=11:99;
IND=find(mod(v,10)==0);
v(IND)=[];
v=reshape(v,9,9)
diadalina
diadalina 2017-11-21
that's exactly , what i want, thank you very much.

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KL
KL 2017-11-21
Simpler with just one line,
bsxfun(@plus,1:9,(10:10:90).')

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