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by MattLarson
28 Dec 2019, 01:56
Forum: Helpdesk
Topic: Finding the cone-facet correspondence in the normal fan
Replies: 2
Views: 61

Finding the cone-facet correspondence in the normal fan

If I have a (in my case unbounded) polytope, then I can compute the normal fan using normal_fan. Then there is an inclusion-reversing correspondence between the cones of the normal fan and the faces of the polytope. Given a cone of the normal fan, I would like to find the corresponding face of the p...
by MattLarson
05 Nov 2019, 18:56
Forum: Installing polymake
Topic: Instaling polymake on macOS 10.14
Replies: 3
Views: 213

Re: Instaling polymake on macOS 10.14

Thank you for your help!

In case this helps anyone else, I think the issue was that for some reason the homebrew installation of ninja wasn't working properly. After I manually installed it, everything compiled without a problem.
by MattLarson
04 Nov 2019, 23:16
Forum: Installing polymake
Topic: Instaling polymake on macOS 10.14
Replies: 3
Views: 213

Instaling polymake on macOS 10.14

Hi, I'm trying to compile polymake 3.5 from source on macOS 10.14.6. Configuring polymake seems to work: MacBook-Pro-2:polymake computing$ ./configure --without-jreality checking C++ compiler ... ok (g++ is Apple CLANG (roughly 6.0) from Xcode 10.0.1) checking C++ library ... ok (libc++ 7000, C++ 20...
by MattLarson
24 Aug 2019, 19:09
Forum: Helpdesk
Topic: Unexpected behavior when finding regular subdivisions
Replies: 1
Views: 248

Unexpected behavior when finding regular subdivisions

I have two instances where the behavior of regular subdivisions is confusing. In the first instance, I'm trying to create a regular subdivision where the weights are very close to being non-generic. I found this example by taking a non-generic regular subdivision and then perturbing the weights in o...
by MattLarson
04 Jun 2018, 18:01
Forum: Helpdesk
Topic: ERROR: no matching overloaded instance of...
Replies: 3
Views: 1976

Re: ERROR: no matching overloaded instance of...

Thank you both so much for your help!
by MattLarson
03 Jun 2018, 23:19
Forum: Helpdesk
Topic: ERROR: no matching overloaded instance of...
Replies: 3
Views: 1976

ERROR: no matching overloaded instance of...

Hi, I'm getting errors of the form ERROR: no matching overloaded instance of... a lot, and I'm not sure how to interpret them. For example, when I run $g = graph_from_edges([[0,1],[0,2],[1,2],[2,3]]); $c = topaz::clique_complex($g,no_labels=>1); topaz::homology($c, 0); I get the error "ERROR: no mat...

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