Initializing help system before first use

# problem.getCallbackRedCosts

Purpose
Obtains the reduced costs from the solution associated with the current callback.
Synopsis
`djs = problem.getCallbackRedCosts(*variables)`
Argument

variables | (optional) variable objects whose reduced costs will be returned. If none is provided, a list of reduced costs for all variables in the problem will be returned.

Return value

djs | A list of reduced costs if *variables contains more than one variable object or is not provided, a single reduced cost otherwise.

Further information
See problem.getCallbackSolution for a list of callbacks where this function can be called. Note that reduced costs are not available in all contexts where a primal solution is available.
Related topics
problem.getCallbackSolution, problem.getCallbackSlacks, problem.getCallbackDuals, problem.getRedCosts, var.getRedCost.
Parent Topic Xpress problem object methods

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