Message-ID: <1318364306482-3895860.post@n4.nabble.com>
Date: 2011-10-11T20:18:26Z
From: Brad Patrick Schneid
Subject: matrix multiplication
In-Reply-To: <1318363897211-3895833.post@n4.nabble.com>
Your question as answered by Timothy in your previous thread
http://r.789695.n4.nabble.com/Re-Creating-the-mean-using-algebra-matrix-td3895689.html
flokke wrote:
>
> 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
>
--
View this message in context: http://r.789695.n4.nabble.com/matrix-multiplication-tp3895833p3895860.html
Sent from the R help mailing list archive at Nabble.com.