Awkward copy/paste question

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Grant
Grant 2012-1-10
I've a very frustrating problem:
I have some very large matrixes like this (69 x 2311):
nan nan 1 nan nan 1 0 nan 0 0 0 1 nan nan 0 nan
and others like this:
99 99 64 99 99 32 0 99 0 0 0 36 99 99 0 99
They are of the same data, in one values are 1 or 0 and in the other 0-100. In one, the values i'm not concerned with are nans, but the other they are 99 and I need to change them into nans, but I can't change them all like I did with the other, because the values I am_ concerned with also includes some 99s (since they run 0-100). It's way too big to manually replace. I was wondering if there's way I can overlay the Nans from one onto the other - the two matrixes correspond exactly. Is there a way I can copy and paste just the NaNs without overlaying (and therefore losing) all the data?
Thank you

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Andrew Newell
Andrew Newell 2012-1-10
If your two vectors are v1 and v2, use:
v2(isnan(v1)) = nan;
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Grant
Grant 2012-1-10
Thank you very much! Perfect, I feared I would have to spend days doing it manually.

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