Initializing help system before first use

problem.calcsolinfo

problem.calcsolinfo

Purpose
Returns the required property of a solution, like maximum infeasibility of a given primal and dual solution.
Synopsis
val = problem.calcsolinfo (solution, dual, property)
Arguments
solution 
Array of length problem.attributes.cols that holds the solution.
dual 
Array of length problem.attributes.rows that holds the dual solution.
property 
xpress.solinfo_absprimalinfeas 
absolute primal infeasibility.
xpress.solinfo_relprimalinfeas 
relative primal infeasibility.
xpress.solinfo_absdualinfeas 
absolute dual infeasibility.
xpress.solinfo_reldualinfeas 
relative dual infeasibility.
xpress.solinfo_maxmipfractional 
absolute MIP infeasibility (fractionality).
Further information
The calculations are always carried out in the original problem, even if the problem is currently presolved.
Related topics
problem.calcslacks, problem.calcobjective, problem.calcreducedcosts.

Parent Topic Reference Manual

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