Changes between Version 6 and Version 10 of Ticket #17197


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Timestamp:
Jul 26, 2016, 10:49:18 PM (6 years ago)
Author:
Vincent Delecroix
Comment:

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  • Ticket #17197

    • Property Status changed from new to needs_work
    • Property Summary changed from Bug creating Polyhedron from lines in number field to document Polyhedron defined over number field
    • Property Milestone changed from sage-6.4 to sage-7.3
  • Ticket #17197 – Description

    v6 v10  
    1 I reported this to the google group (https://groups.google.com/forum/#!topic/sage-support/ew0bnGzjm98) but was told to repeat it here.
     1As reported in this google group (https://groups.google.com/forum/#!topic/sage-support/ew0bnGzjm98), it was not possible to create Polyhedron defined over number fields. Now that #17830 is merged it does work and it should be documented and even advertised in the documentation!
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     4from the previous report:
    25
    36To create polyhedra quickly, the final suggestion in the Polyhedron documentation (http://www.sagemath.org/doc/reference/geometry/sage/geometry/polyhedron/constructor.html#base-rings) is to work in a set number field. Although this appears to work for setting vertices, it does not appear to work for lines (or rays).
     
    3134Additionally, how can a "1-dimensional polyhedron" be "defined as the convex hull of 1 vertex and 2 rays"?
    3235
    33 --------------------------------------------
    34 
    3536As pointed out below this is an issue with Polyhedron using a number fields < comparison
    3637{{{