On 11/14/06, Ravi Varadhan [EMAIL PROTECTED] wrote:
I am trying to do the following computation:
p - rep(0, n)
coef - runif(K+1)
U - matrix(runif(n*(2*K+1)), n, 2*K+1)
for (i in 0:K){
for (j in 0:K){
p - p + coef[i+1]* coef[j+1] * U[,i+j+1]
} }
[EMAIL PROTECTED]
To: r-help@stat.math.ethz.ch
Sent: Tuesday, November 14, 2006 4:45 PM
Subject: [R] Matrix-vector multiplication without loops
Hi,
I am trying to do the following computation:
p - rep(0, n)
coef - runif(K+1)
U - matrix(runif(n*(2*K+1)), n, 2*K+1
Hi,
I am trying to do the following computation:
p - rep(0, n)
coef - runif(K+1)
U - matrix(runif(n*(2*K+1)), n, 2*K+1)
for (i in 0:K){
for (j in 0:K){
p - p + coef[i+1]* coef[j+1] * U[,i+j+1]
} }
I would appreciate any suggestions on how
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Dimitris Rizopoulos
Sent: Tuesday, November 14, 2006 11:20 AM
To: Ravi Varadhan
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] Matrix-vector multiplication without loops
I think you need something along these lines
www.nuverabio.com
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Dimitris Rizopoulos
Sent: Tuesday, November 14, 2006 11:20 AM
To: Ravi Varadhan
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] Matrix-vector multiplication without loops
I think you need
