On Sun, 13 Sep 2015, Allin Cottrell wrote:
On Fri, 11 Sep 2015, Sven Schreiber wrote:
> Am 11.09.2015 um 19:20 schrieb Allin Cottrell:
>> On Fri, 11 Sep 2015, Sven Schreiber wrote:
>>
>>> section 15.4 of the guide enumerates matrix operators, and there is an
>>> elementwise equality comparison (.=), but no corresponding inequality
>>> comparison (no .!=). And indeed gretl doesn't accept .!=, but why? I
>>> know this can be worked around, but the same argument would hold for .>
>>> and .<, for example.
>>
>> Good question, I'll take a look at it. I'm not sure offhand if we
>> support any 3-character operators at present but even if not there's no
>> inherent reason why we shouldn't.
>>
>
> there are already .<= and .>=
OK, ".!=" will be there in gretl 1.10.2.
Nice to have; however, I'd still prefer !(a.=b) over (a.!=b). But it's a
matter of taste, I suppose.
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Riccardo (Jack) Lucchetti
Dipartimento di Scienze Economiche e Sociali (DiSES)
Università Politecnica delle Marche
(formerly known as Università di Ancona)
r.lucchetti(a)univpm.it
http://www2.econ.univpm.it/servizi/hpp/lucchetti
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