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2's complement of a row in a matrix

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Ayesa
Ayesa 2011-12-13
Hi. For a = [m n] matrix, where each element value is 0 or 1. I want to get the 2's complement of rows depending on the first element value of a row. If a(m,1) = 1, then 2's complement will be performed.
How this 2's complement operation can be performed?
Any advice would be appreciated.

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Walter Roberson
Walter Roberson 2011-12-13
To construct the twos-complement of a binary vector, do a bit-wise negation of the vector, and then undertake the steps necessary to add 1 to the end of the vector, propagating any carry "left-ward" until there is no carry remaining.
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Jan
Jan 2011-12-13
Thanks, Walter. I've removed my answer.
Ayesa
Ayesa 2011-12-14
Thank you for your suggestion. It helps me to write the code. Again many thanks.

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