Re: On entry to DLASDA parameter number 2 had an illegal value

[Dmitri A. Sergatskov]

On Sun, Jul 25, 2010 at 4:14 PM, lo <address@hidden> wrote:
> hello,
>
> on running the following under octave 3.3.51 on a Linux Suse 11.2
>
> A = [ 0.50374   0.61402   0.43301; 0.60290   0.78609   0.43301 ]
> B = [ -1.0531; -1.0531 ]
> X = A\B; % solve A X = B
>
>
> I get:
>
>  ** On entry to DLASDA parameter number  2 had an illegal value
> A =
>
>   0.50374   0.61402   0.43301
>   0.60290   0.78609   0.43301
>
> B =
>
>  -1.0531
>  -1.0531
>
> error: test: exception encountered in Fortran subroutine dgelsd_
>
>
> thanks for any help,
>
> regards,
> Laurent

It works for me on Fedora 12 x86_64 with octave 3.3.51.
I suspect that your lapack library is bad.
Did you compile octave yourself?
Did it pass all checks? (Did you "make check" in the build directory?)

Sincerely,

Dmitri.
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