Re: Help with condeig compatibility

[Marco Caliari]

On Fri, 15 Jul 2016, Rik wrote:

> I'm porting condeig over from the linear-algebra Octave Forge package to
> core Octave.  Can someone run the following code under Matlab and report
> the results?
>
> -- Code --
> condeig ([])
> condeig (magic (3))
> condeig (sparse (magic (3))
> condeig ([Inf, 1 ; 2 3])
> condeig ([NaN, 1 ; 2 3])
> -- End Code --

> > condeig ([])

ans =

   Empty matrix: 0-by-1

> > condeig (magic (3))

ans =

    1.0000
    1.0607
    1.0607

> > condeig (sparse (magic (3)))
Error using eig
For standard eigenproblem EIG(A) when A is sparse, A must be real and 
symmetric. Use EIGS instead.

Error in condeig (line 26)
[X, D, Y] = eig(A);

> > condeig ([Inf, 1 ; 2 3])
Error using eig
Input to EIG must not contain NaN or Inf.

Error in condeig (line 26)
[X, D, Y] = eig(A);

> > condeig ([NaN, 1 ; 2 3])
Error using eig
Input to EIG must not contain NaN or Inf.

Error in condeig (line 26)
[X, D, Y] = eig(A);

> > version

ans =

8.4.0.150421 (R2014b)

Marco