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by sherrmann
04 Nov 2013, 13:26
Forum: News
Topic: Perpetual Beta
Replies: 1
Views: 18814

Perpetual Beta

Since beginning of this year we want you to benefit even faster from bug-fixes and new features. Therefore we provide Perpetual Beta versions. You can get these from our svn-server, the newest version (20131011) you will get via the command svn checkout --username "guest" --password "...
by sherrmann
13 Dec 2011, 10:18
Forum: Helpdesk
Topic: HilbertBasis of a Cone<Rational>
Replies: 4
Views: 6168

Re: HilbertBasis of a Cone<Rational>

I think you need to install either 4ti2 or normaliz to compute a hilbert basis. See http://www.polymake.org/doku.php/external_software.
by sherrmann
18 Nov 2011, 11:17
Forum: Helpdesk
Topic: Documentation to Fan
Replies: 1
Views: 3691

Re: Documentation to Fan

The documentation of the application fan of the current release is available at http://www.polymake.org/release_docs/2.9.10/fan.html.
by sherrmann
13 Nov 2011, 18:56
Forum: Helpdesk
Topic: Normalizing a vector
Replies: 1
Views: 4824

Re: Normalizing a vector

There is not much you can do about that. As you noted, the sqrt function does not work for Rational since in general the square root of a rational number is not rational. The only thing you could would use a Vector<Float> instead. You could then translate into Vector<Rational>, at the end, but then,...
by sherrmann
10 Aug 2011, 22:37
Forum: Helpdesk
Topic: Computing matroids from graphs
Replies: 2
Views: 4767

Re: Computing matroids from graphs

There is in deed a bug in the matroid_from_graph client. Thanks very much for pointing that out. It will be fixed for the next release at the latest. Until the next release is available, if you have a source distribution, you can use the attached patch to correct the bug. Please execute patch -p2 <...
by sherrmann
19 Jul 2011, 00:38
Forum: Helpdesk
Topic: Problems USEing matroid in 2.10
Replies: 4
Views: 6028

Re: Problems USEing matroid in 2.10

So, if I understand this correctly: Currently there is no way to use matroid functionality in tropical - but there will be? There is, it is just not possible to do this via a USE statement in a rule file. For example, one can write scripts in the application tropical using function from the applica...
by sherrmann
05 Jul 2011, 02:02
Forum: Helpdesk
Topic: Computing matroids from graphs
Replies: 2
Views: 4767

Re: Computing matroids from graphs

There is in deed a bug in the matroid_from_graph client. Thanks very much for pointing that out. It will be fixed for the next release at the latest.
by sherrmann
26 May 2011, 19:20
Forum: Helpdesk
Topic: properties insufficient to compute 'INEQUALITIES'?
Replies: 2
Views: 4904

Re: properties insufficient to compute 'INEQUALITIES'?

Could you please be a bit more specific? Which commands do you execute to get this warning?
by sherrmann
26 May 2011, 19:17
Forum: Helpdesk
Topic: pre-loading with script containing user written routines?
Replies: 2
Views: 4920

Re: pre-loading with script containing user written routines

What do you mean by "a couple routines to print my polytopes"? I these are polymake commands you want to execute, then the --script option is the right thing. However, you need to properly format your file as a polymake script, see http://www.polymake.org/doku.php/scripting/start for detai...

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