Most of the time, the test works. It's only if you run it repeatedly,
until there's a (random) zero in the (0,0) position, that it fails. It
looks like a misdiagnosed problem, or a problem with initializing the
solution.
On 2018-07-27 02:43 PM, Raul Miller wrote:
Which suggests that maybe this is diagnosing an api handling issue?
(If the test used to work, x and y somehow got flipped?)
Thanks,
On Fri, Jul 27, 2018 at 2:37 PM Bill Heagy <[email protected]> wrote:
>
> If you just take the x and y and flip them so the 0 is in the bottom
> right, it appears to work. It fits the domain.
>
> On 2018-07-27 02:24 PM, Henry Rich wrote:
>> Right again. The sparse matrix divide is very restricted in domain and
>> I am not going to be the one to try to improve it. Maybe I can tweak the
>> testcase.
>>
>> Henry Rich
>>
>> On 7/27/2018 1:48 PM, Bill Heagy wrote:
>>> Running gsp1 repeatedly produces:
>>>
>>> ...
>>> 1e_13 >. >./ | (y=: h 11) (%. -: (%.$.)) x=: 0.01*g 11
>>> |domain error
>>> | 1e_13>.>./|(y=:h 11) (%.-:(%.$.))x=:0.01*g 11
>>> |[-37] /home/wheagy/git/jsource/test/gsp1.ijs
>>>
>>> at various locations.
>>> The problem appears to be a "0" in the (0,0) position in the x matrix.
>>> JVERSION Engine: j806/j32/linux
>>> Beta: GPL3/2018-07-25T05:05:57
>>> Library: 8.05.14
>>> Platform: Linux 32
>>> Installer: unknown
>>> InstallPath: /home/wheagy/tmp/jbld/j32
>>> Contact: [email protected]
>>> ----------------------------------------------------------------------
>>> For information about J forums see http://www.jsoftware.com/forums.htm
>>
>>
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