how delete the '-' in front of numbers in a matrix?

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elisa ewin
elisa ewin 2016-5-24
编辑： Guillaume 2016-5-24
Hi, I have this matrix
A=[2010 -10 -19 23;2010 -10 -18 22;2010 -10 -17 23;2010 -10 -17 19];
how can delete the '-' in front of the numbers?

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the cyclist
the cyclist 2016-5-24
You mean you want to change all the negative numbers to positive numbers?
A = abs(A)
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Guillaume
Guillaume 2016-5-24
编辑：Guillaume 2016-5-24
The numbers look suspiciously like dates, so it's possible that the negative numbers are simply the result of bad parsing of the original string. While fixing the problem post-parsing is certainly valid, it's probably better in the long term to fix the parsing instead.
But that's worthy of another question by the OP.

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