[R] matrix multiplication

flokke
Tue, 11 Oct 2011 20:11:37 -0000

Dear all,
Sorry to bother you with such a stupid question, but I just cannot find the
solution to my problem.

I'd like to use matrix multiplication for meanA and factorial 3.
I use the command meanA%*%factorial 3.
But everything I get is: Error in factorial3 %*% A : non-conformable
arguments

I know that the number of the columns of the first vector has to be the same
number of rows of the
second vector to be able to use matrix multiplication, but that is the case
here. I also tried it with
two columns for factorial 3 and that didnt work either.

Can someone help me out with this?'

these are my matrices:

meanA
         [,1]     [,2]
[1,] 3.666667 4.666667

> factorial3
     [,1]
[1,]    1

Thank you so much!
Cheers, maria

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