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gsm
2010 Aug 15
3
Rows index/colProds
Hi,
Is there any function to replace colProds that finds column-wise products of
a matrix?
Or is there any other function that would give a better solution this
problem ?
I have a matrix and an array, example:
> a
GSM1.CEL GSM2.CEL GSM1.CEL
10000_at 1 3 1
10001_at 3 3 3
> b
10000_at 10001_at
1 3
I want to find the number of occurrences of this array within the matrix
(which in this case is 2).
> a==b
gives me:...