[Gretl-devel] Creating an empty matrix of unknown dimensions?

Riccardo (Jack) Lucchetti r.lucchetti at univpm.it
Fri Oct 12 08:40:11 EDT 2007


On Fri, 12 Oct 2007, andreas.rosenblad at ltv.se wrote:

> In some other software, like R or MatLab, one can create an empty matrix of
> unknown dimension, which is useful when one wants to successively add
> values to a matrix vector, and don't know beforehand how many values will
> be added.
>
> Is it possible in gretl? If not, could such a feature be added, please?

Good idea. At present,

matrix a = { }

results in a segfault, which is bad because not only it makes sense, but 
because even a meaningless construct shouldn't crash the program.


Riccardo (Jack) Lucchetti
Dipartimento di Economia
Università Politecnica delle Marche

r.lucchetti at univpm.it
http://www.econ.univpm.it/lucchetti


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