Initializing help system before first use

problem.getcolinfo

problem.getcolinfo


Purpose
Get current column information.
Synopsis
problem.getcolinfo (infotype, colindex);
Arguments
InfoType 
Type of information (see below)
ColIndex 
Index of the column whose information is to be handled
Info 
Address of information to be set or retrieved
Further information

If the data is not available, the type of the returned Info is set to None.

The following constants are provided for column information handling:

xpress.colinfo_value
Get the current value of the column
xpress.colinfo_rdj
Get the current reduced cost of the column
xpress.colinfo_deltaindex
Get the delta variable index associated to the column
xpress.colinfo_delta
Get the delta value (change since previous value) of the column
xpress.colinfo_deltadj
Get the delta variables reduced cost
xpress.colinfo_updaterow
Get the index of the update (or step bound) row associated to the column
xpress.colinfo_sb
Get the step bound on the variable
xpress.colinfo_sbdual
Get the dual multiplier of the step bound row for the variable