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Re: ode csets
From: |
c. |
Subject: |
Re: ode csets |
Date: |
Thu, 20 Oct 2016 00:38:26 +0200 |
On 20 Oct 2016, at 00:05, c. <address@hidden> wrote:
>
> On 19 Oct 2016, at 21:01, Rik <address@hidden> wrote:
>
>> One question is the sort order for default options. Whenever a default
>> option is changed, it moves to the front of the list. That is probably
>> something happening in inputParser, but I'm not sure I like it. Does
>> anyone on the octave-maintainer's list have an opinion? Example:
>>
>> +verbatim+
>> odeset ("Vectorized", 1, "FooProp2", 2, "FooProp1", 1)
>> ans =
>>
>> scalar structure containing the fields:
>>
>> Vectorized = 1
>> AbsTol = [](0x0)
>> BDF = [](0x0)
>> Events = [](0x0)
>> InitialSlope = [](0x0)
>> InitialStep = [](0x0)
>> JConstant = [](0x0)
>> JPattern = [](0x0)
>> Jacobian = [](0x0)
>> MStateDependence = [](0x0)
>> Mass = [](0x0)
>> MassSingular = [](0x0)
>> MaxOrder = [](0x0)
>> MaxStep = [](0x0)
>> MvPattern = [](0x0)
>> NonNegative = [](0x0)
>> NormControl = [](0x0)
>> OutputFcn = [](0x0)
>> OutputSel = [](0x0)
>> Refine = [](0x0)
>> RelTol = [](0x0)
>> Stats = [](0x0)
>> FooProp1 = 1
>> FooProp2 = 2
>> -verbatim-
>
>
> I would say this is a compatibility bug in inputParser that should be fixed
> there:
>
> -- Matlab test --
>>> ip = inputParser ();
>>> ip.addParameter ('a', 1);
>>> ip.addParameter ('b', 2);
>>> ip.parse ('b', 2, 'a', 2);
>>> ip.Results
>
> ans =
>
> a: 2
> b: 2
> -- end Matlab test --
>
> while in Octave
>
> -- Octave test --
>>> ip = inputParser ();
>>> ip.addParameter ('a', 1);
>>> ip.addParameter ('b', 2);
>>> ip.parse ('b', 2, 'a', 2)
>>> ip.Results
> ans =
>
> scalar structure containing the fields:
>
> b = 2
> a = 2
> -- end Octave test --
>
> but I don't think this is very important as
>
> -- Octave test --
>>> isequal (struct ('a', 2, 'b', 2), struct ('b', 2, 'a', 2))
> ans = 1
> -- end Octave test --
>
> and the same also holds true in Matlab 2016a (though, IIRC, the behaviour in
> Matlab was different in older releases).
>
> I would suggest to submit a bug for inputParser and fix the behaviour there
> but I don't think this is very high priority ...
>
> c.
bug submitted here:
https://savannah.gnu.org/bugs/index.php?49389
c.