On 03-12-2012, at 16:17, Martin Maechler wrote:
>> Berend Hasselman
>>on Mon, 3 Dec 2012 15:25:21 +0100 writes:
>
>> With this example
>
>> set.seed(123) A <- matrix(runif(40), nrow = 8) y <-
>> 1:nrow(A)
>
>> A.laqr <- qr(A, LAPACK=TRUE)
>
>> both qr.qy(A.laqr,y) and qr.qty(A.la
> Berend Hasselman
> on Mon, 3 Dec 2012 15:25:21 +0100 writes:
> With this example
> set.seed(123) A <- matrix(runif(40), nrow = 8) y <-
> 1:nrow(A)
> A.laqr <- qr(A, LAPACK=TRUE)
> both qr.qy(A.laqr,y) and qr.qty(A.laqr,y) give the
> respective error messag
With this example
set.seed(123)
A <- matrix(runif(40), nrow = 8)
y <- 1:nrow(A)
A.laqr <- qr(A, LAPACK=TRUE)
both qr.qy(A.laqr,y) and qr.qty(A.laqr,y) give the respective error messages
Error in qr.qy(A.laqr, y) : 'b' must be a numeric matrix
Error in qr.qty(A.laqr, y) : 'b' must be a nume