Thanks for the quick reply!
Cheers,
Ron
On Sunday, May 17, 2015 at 2:05:04 PM UTC-4, William wrote:
>
> On Sat, May 16, 2015 at 8:17 PM, Ronald L. Rivest > wrote:
> > When I type
> > random_matrix?
> > at the sage notebook, I get documentation that says, for example, that
> the
> > ma
On Sunday, 17 May 2015 17:43:20 UTC+1, Luis Garcia-Puente wrote:
>
> After installing sage 6.6, I tried to install the optional packages 4ti2,
> macaulay2, and nauty but the command
>
please note that macaulay2 package is very, very old, and should not be
used (the current Macaulay2 version is
On Sat, May 16, 2015 at 8:17 PM, Ronald L. Rivest wrote:
> When I type
> random_matrix?
> at the sage notebook, I get documentation that says, for example, that the
> matrix
> entries will never be zero. But they are, even in the given example. What
> does
> "and never zero" mean here?
It's
Fixed in Sage 6.7-rc0 and later...6.7 should be out today.
On Sunday, May 17, 2015 at 6:43:20 PM UTC+2, Luis Garcia-Puente wrote:
>
> After installing sage 6.6, I tried to install the optional packages 4ti2,
> macaulay2, and nauty but the command
>
> sage -i 4ti2
>
> returns:
>
> /Applicatio
After installing sage 6.6, I tried to install the optional packages 4ti2,
macaulay2, and nauty but the command
sage -i 4ti2
returns:
/Applications/sage/src/bin/sage-spkg: line 312: cd:
/Applications/sage/upstream: No such file or directory
Attempting to download package 4ti2
>>> Checking onlin
+1
it looks like parameter "density" is useful to control how sparse is the
matrix (density of zero elements)
at least, we can use density parameter with value "greater" than 1...to get
(maybe :-) ) matrix with no zero
random_matrix(ZZ, 5, 5, distribution="uniform",density=1.5)
print
random_
