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How can I subtract the two columns of the same matrix?

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Efe IST on 7 Oct 2015

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https://www.mathworks.com/matlabcentral/answers/247218-how-can-i-subtract-the-two-columns-of-the-same-matrix

Commented: Walter Roberson on 7 Oct 2015

Accepted Answer: Walter Roberson

How can I subtract the two columns of the same matrix?

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Walter Roberson on 7 Oct 2015

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https://www.mathworks.com/matlabcentral/answers/247218-how-can-i-subtract-the-two-columns-of-the-same-matrix#answer_195021

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diff(YourMatrix,2)

or

YourMatrix(:,2) - YourMatrix(:,1)

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Efe IST on 7 Oct 2015

Edited: Efe IST on 7 Oct 2015

Thank you for the quick answer. How can I add the result as a 4th column into the same matrix on which I performed the subtraction?-Just found out how! Thanks for the reply again.

Walter Roberson on 7 Oct 2015

What difficulty did you encounter with http://uk.mathworks.com/matlabcentral/answers/247119-i-have-a-matrix-with-3-columns-how-can-i-find-the-differences-between-column-2-and-3-for-each-value#answer_194942 ?

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