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 <[email protected]> Sent: 20 January 2025 19:39 To: [email protected] <[email protected]>; perldl <[email protected]> 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, Campus UNNE. W3404AAS Corrientes, Argentina. (+54) 379-4424678 interno 4613 gortiz at unne edu ar
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