Thursday, March 12, 2009 4:25 PM
To: Camarda, Carlo Giovanni
Cc: r-h...@stat.math.ethz.ch
Subject: Re: [R] matrix multiplication, tensor product, block-diagonal and fast
computation
On Wed, 11 Mar 2009, Camarda, Carlo Giovanni wrote:
> Dear R-users,
>
> I am searching to the "bes
On Wed, 11 Mar 2009, Camarda, Carlo Giovanni wrote:
Dear R-users,
I am searching to the "best" way to compute a series of n matrix
multiplications between each matrix (mXm) in an array (mXmXn), and each
column of a matrix (mXn).
Please find below an example with four possible solutions.
The fi
Dear R-users,
I am searching to the "best" way to compute a series of n matrix
multiplications between each matrix (mXm) in an array (mXmXn), and each
column of a matrix (mXn).
Please find below an example with four possible solutions.
The first is a simple for-loop which one might avoid; the se
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