As long as all tests pass, things should be fine. The only way I know to get
rid of these warnings is to turn off all warnings with the command:
warning('off', 'all’)
--
Ray Zimmerman
Senior Research Associate
B30 Warren Hall, Cornell University, Ithaca, NY 14853
phone: (607) 255-9645
On Feb 20, 2014, at 8:37 AM, Günter Kießling
<[email protected]> wrote:
> Hello
>
> I just installed Octave 3.8 for Windows from
> http://octave.osuv.de/3.8/windows/ and MatPower 4.1 and performed the test
> procedure "test_matpower".
> This was mainly ok except for two tests:
>
> T opf dc mips
> T opf dc mips sc
>
> These two tests created some warning messages like
>
> t_opf_dc_mips.......warning: matrix singular to machine precision, rcond = 0
> warning: attempting to find minimum norm solution
> warning: matrix singular to machine precision, rcond = 0 .
> warning: attempting to find minimum norm solution ok
>
> Same warnings came up for the other test.
> Other calculations seem to work without error messages like the case300, case
> 9 etc..
>
> Please advise about the significance of those warnings at the test_matpower
> command.
> What could be done to eliminate such warnings at performing the
> test_matpower?
>
> Kind regards
>
> Günter Kießling
>
> E-Mail: [email protected]
> Internet: www.th-nuernberg.de
>
>
