Re: [Gretl-devel] changes to 'extra'

Am 17.10.2018 um 23:57 schrieb Riccardo (Jack) Lucchetti: > On Wed, 17 Oct 2018, Sven Schreiber wrote: > >> Am 12.10.2018 um 09:06 schrieb Riccardo (Jack) Lucchetti: >> >>> The same goes for the duplication operation, I guess. >> >> >> If you have some more efficient indexing trick, let me know. > > How about this? > > <hansl> > function matrix duplicate(const matrix vechA) >     e = vec(unvech(seq(1,rows(vechA))')) >     return vechA[e,] > end function > </hansl> Thanks, but actually I forgot what I had written before: duplicate is quite simple and therefore just mention it. (Or do you think the multiple-columns case makes it worthwhile as an extra function?)