maxim Method (String)

Note: This API is now obsolete.

Maximize a problem. This method selects and starts the Xpress-Optimizer solution algorithm. The characters indicating the algorithm choice may be combined where it makes sense, e.g. "dg". If the matrix loaded in Xpress-Optimizer does not correspond to the current problem definition it is regenerated automatically prior to the start of the algorithm. Before solving a problem, the objective function must be selected with setObj(). Note that if you use an incomplete global search you should finish your program with a call to the Xpress-Optimizer method XPRSprob.InitGlobal() (see Xpress-Optimizer manual for details) in order to remove all search tree information that has been stored. Otherwise you may not be able to re-run your program.

Namespace:   BCL
Assembly:  xprbdn (in xprbdn.dll) Version: 35.1.1.0

Syntax

C#

VB

Copy

[ObsoleteAttribute("Use setSense(BCLconstant.XPRB_MAXIM) followed by lpOptimize and mipOptimize methods instead")]
public int maxim(
	string alg
)

<ObsoleteAttribute("Use setSense(BCLconstant.XPRB_MAXIM) followed by lpOptimize and mipOptimize methods instead")>
Public Function maxim ( 
	alg As String
) As Integer

Parameters

alg

Type:  SystemString
The string choice of solution algorithm. Possible values are:

• "p" - Use primal simplex algorithm.
• "d" - Use dual simplex algorithm.
• "b" - Use Newton-Barrier algorithm.
• "l" - Only solve the (relaxed) linear problem.
• "g" - Solve the global (MIP) problem.
• "" - No parameter, use the default setting (LP only).

Return Value

Type:  Int32
0 on success, 1 otherwise.

Examples

xbchess.cs, xbworkrng.cs and xbworks.cs in the Introductory Examples folder. xbgoalobj.cs in the Advanced Examples folder. foliodata.cs, folioheur.cs, folioinit.cs, foliolp.cs, foliomip1.cs and foliomip2.cs in the User's Guide Examples folder.

See Also

Reference

XPRBprob Class

maxim Overload

BCL Namespace

XPRBproblpOptimize(String)

XPRBprobmipOptimize(String)

XPRBprobsetSense(Int32)

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