Re: [Gretl-devel] Dealing with big(!) matrix

On Sun, 28 May 2017, Marcin Błażejowski wrote: > Hi, > > suppose I have really big vector/matrix (I mean 100000 or more rows and > 1-2 cols) and I need to find out the position of certain value stored in > the first column in this matrix (like iminc and imaxc but for an > arbitrary value). The matrix is not sorted and it may systematically > grow (new rows are added at the bottom). > > The question is: what is the numerical most effective may of doing this? Question: what if the value is repeated?

------------------------------------------------------- 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 ------------------------------------------------------- _______________________________________________ Gretl-devel mailing list Gretl-devel(a)lists.wfu.edu http://lists.wfu.edu/mailman/listinfo/gretl-devel