Ok, Ed, That example did not work for me. The conditional results seems to be allways false. I mean, that it give $x also when $x is near to 0.5 than 0.2, where I is expecting the $x**2 result.
Regates El El lun, 20 ene 2025 a la(s) 20:39, Ed . <ej...@hotmail.com> escribió: > Hi Guillermo, > > You may still be having a problem, but you have yet to tell us what it is. > The code you sent works fine, including as many dimensions as you like > (because all acts on the whole ndarray at once). > > If there's a problem in there, please share it :-) > > Best regards, > Ed > > ------------------------------ > *From:* Guillermo P. Ortiz <gor...@exa.unne.edu.ar> > *Sent:* 20 January 2025 23:35 > *To:* Ed . <ej...@hotmail.com> > *Cc:* pdl-devel@lists.sourceforge.net <pdl-devel@lists.sourceforge.net>; > perldl <pdl-gene...@lists.sourceforge.net> > *Subject:* Re: [Pdl-devel] conditional inline > > Thanks Ed, > Using ternary conditional expression > I still have some problem with múltiple disensión case. > See my example in message befare > > > El El lun, 20 ene 2025 a la(s) 19:31, Ed . <ej...@hotmail.com> escribió: > > Hi Guillermo, > > You can do that indeed, that's just Perl. If you wanted to do operations > on a subset of that ndarray, then you'd do e.g. > > $pdl->where(($pdl-0.5)->abs < 0.2) *= 5; > > An observation is that the above condition could be a bit shorter by using > the recently-added approx_artol: (which would also mean it ran quicker) > > $pdl->approx_artol(0.5, 0.2) > > Best regards, > Ed > > ------------------------------ > *From:* Guillermo P. Ortiz <gor...@exa.unne.edu.ar> > *Sent:* 20 January 2025 19:39 > *To:* pdl-devel@lists.sourceforge.net <pdl-devel@lists.sourceforge.net>; > perldl <pdl-gene...@lists.sourceforge.net> > *Subject:* [Pdl-devel] conditional inline > > Hello ! > > I am not sure, but maybe It is possible to do with perl PDL something > like this? > > $ndarray= condition on $ndarray ? assign when true : assign when false > > for example: > > $x=zeroes(20)->xlinvals(0,1); > > $y=(all abs($x-0.5)<0.2)?$x**2:$x; > > Thanks in advance > > Regards > > -- > > > Dr. Guillermo P. Ortiz > Electromagnetismo Aplicado > Dto. Física, Facultad de Ciencias Exactas > Universidad Nacional del Nordeste > Avda Libertad 5460 > <https://www.google.com/maps/search/Avda+Libertad+5460?entry=gmail&source=g>, > Campus UNNE. > W3404AAS Corrientes, Argentina. > (+54) 379-4424678 interno 4613 > gortiz* at *unne edu ar > >
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