Thanks a lot. My version was Ubuntu 12.04. Now I can fix the problem.
On 9 October 2013 15:56, Dima Pasechnik wrote:
> On 2013-10-09, Santanu Sarkar wrote:
> > I have installed sage 5.11 in the following way.
> >
> > santanu@santanu-Compaq-Presario-C700-Notebook-PC
> :~/Desktop/sage-5.11-linu
On 2013-10-09, Santanu Sarkar wrote:
> I have installed sage 5.11 in the following way.
>
> santanu@santanu-Compaq-Presario-C700-Notebook-PC:~/Desktop/sage-5.11-linux-32bit-ubuntu_13.04-i686-Linux$
>
> ./sage
>
> notebook()
>
>
> Some functions work perfectly, but
>
> when I write
> M=matrix(ZZ,2
