Changes between Initial Version and Version 3 of Ticket #12823


Ignore:
Timestamp:
04/11/12 20:35:13 (8 years ago)
Author:
john_perry
Comment:

I'm about to upload a new patch that takes into account our offline discussion and enables deletion of rows. The doctests and some warning blocks are only in the backends, though; should those be moved to mip.pyx? I'm not real clear on that.

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  • Ticket #12823

    • Property Status changed from new to needs_info
    • Property Summary changed from Allow constants for objective function in MixedIntegerLinearProgram to Allow constants for objective function & deletion of rows in MixedIntegerLinearProgram
    • Property Type changed from PLEASE CHANGE to defect
    • Property Authors changed from to john_perry, ncohen
  • Ticket #12823 – Description

    initial v3  
    1 This is a bug.
     1Currently, MixedIntegerLinearProgram does not allow deleting rows. We would like to enable this for all backends that allow it.
     2
     3Also, this is a bug.
    24{{{
    35sage: lp = MixedIntegerLinearProgram()
     
    1416        f.pop(-1,0)
    1517}}}
     18
    1619John Perry will create a patch for GLPK and CBC; Nathann Cohen will create a patch for Gurobi and CPLEX.