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Commits on Sep 7, 2019
  1. Add an example of column generation (#2010)

    dourouc05 authored and mlubin committed Sep 7, 2019
    * Restore the old PR.
    
    #2006
    
    * Use the new function set_objective_coefficient.
    
    * Add the standard license header.
    
    * Remove the workaround for current GLPK.jl.
    
    * Update to JuMP 0.20.
Commits on Jul 29, 2019
  1. Constraints: use `cref` for constraint references. (#2015)

    dourouc05 authored and mlubin committed Jul 29, 2019
    * Constraints: use `cref` for constraint references.
    
    Used to be a mix of cr, ref, cref, constraint_ref, and v. This looked especially strange in the documentation. `cref` seems to be the most commonly used name in the code.
    
    * Add abbreviation for constraint in doc.
    
    * Update cref to con_ref.
    
    * Typo.
    
    * Test failure.
Commits on Jul 18, 2019
  1. Implement set_objective_coefficient (#2008)

    dourouc05 authored and mlubin committed Jul 18, 2019
    * Implement set_objective_coefficient for affine objectives.
    
    * If there is a nonlinear objective, throw an error.
    
    * Promote single-variable objectives to affine when updating a coefficient.
    
    Also test the quadratic objective case.
    
    * Documentation as asked by @odow.
    
    * Case when the objective is a SingleVariable, but setting the coefficient for another variable.
    
    * Cleaner way of accessing the NLP objective.
    
    * Move objective coefficient update tests to a new function,
    
    so that they are run only for the base JuMP model.
    
    * @blegat comments.
    
    * @odow's comments.
    
    * Add to documentation.
    
    * Restore a3694f9
    
    * Avoid using MOI when JuMP is enough.
    
    * Re-use obj_fct_type
Commits on Mar 27, 2019
  1. Deprecation message for writeLP and writeMPS (#1910)

    dourouc05 authored and mlubin committed Mar 27, 2019
    * Deprecation message for writeLP and writeMPS
    
    * @odow's feedback.
    
    * Add new line to print.jl
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