Reduction in For Loop Execution Time

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MrPuzzled Marc
MrPuzzled Marc 2011-4-24
Hi, I have a question. I developed a coding for send and receive binary bits. I need to arrange the bits into matrices before I could form back into its original format. For instance, I have 10101010101.... and i need to arrange in (1010;1010;0101...) or (3x1) matrices. Here is the code. for j=1:M b=16*(j); a=-15+b; Video_bin= [Video_bin;file(a:b)]; end will concatenate the bits into matrix form. however this gives a large execution time to my code. Any better function or solution for this?Thanks.

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Oleg Komarov
Oleg Komarov 2011-4-24
Use reshape:
A = '101010101010';
B = reshape(A,4,[]).';

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