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360x101
2005 Mar 23
2
replace values in a matrix subject to boolean condition
Hi everybody!
I am sorry to bother you with a question so simple but
I think there might be a
better solution:
I have a matrix of size 360x501 where I want to check
the value of each 5th
column of each row and replace it (and the 6th, 7th,
8th column) by zero if the
value is less than 1000. I have written a double loop
to do that but that
requires a lot of time.
Is there a faster way to achieve this?
Thanks,
Werner