Changes between Initial Version and Version 15 of Ticket #18742


Ignore:
Timestamp:
07/06/15 00:02:04 (6 years ago)
Author:
mkoeppe
Comment:

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  • Ticket #18742

    • Property Status changed from new to needs_review
    • Property Authors changed from to Peijun Xiao, Matthias Koeppe
    • Property Cc pjxiao added
    • Property Branch changed from to u/mkoeppe/interactive_simplex_method__support_several_styles_corresponding_to_major_textbooks
    • Property Commit changed from to 3fdf390c77a726cbbdcc899150823780348ac1f2
    • Property Reviewers changed from to Andrey Novoseltsev
  • Ticket #18742 – Description

    initial v15  
    1 I propose to extend the interactive_simplex_method classes so that they take an optional keyword argument "style", which controls several aspects of how the problems and their dictionaries are presented.
     1I propose to extend the interactive_simplex_method classes so that they take an optional keyword argument "style", which controls several aspects of how the problems and their dictionaries are presented. The style can also be set globally.
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    3 For example, if style='vanderbei' (which we are working on in this ticket), it would follow Robert Vanderbei's popular text. Compared to the current code (which textbook does it follow?), there are differences in the naming of slack variables, of the objective functions, and some subtle formatting differences.
     3For example, if style='Vanderbei' (which we are working on in this ticket), it would follow Robert Vanderbei's popular text. Compared to the current code (which textbook does it follow?), there are differences in the naming of slack variables, of the objective functions, and some subtle formatting differences.
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    55Supporting the styles of some popular textbooks may help making Sage the tool of choice for teaching the simplex method.
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    7 Comments are welcome; we are preparing a first version of a patch that does that.