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Frontline Systems, Inc.  

quadratic programming, portfolio optimization, quadratic solver 
Developers of Your Spreadsheet's Solver  
robust optimization, stochastic programming, simulation optimization
   
Newton Barrier, interior point method

XPRESS Solver Engine - MIP Heuristics Options


Simplex method, dual Simplex

 
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Node Selection Options Tab

The XPRESS Solver Options dialog Heuristics tab allows you to control the frequency and nature of heuristic methods used to find an integer solution early in the Branch & Cut search.

On this tab, you can choose the heuristics Strategy (None, Rounding or Automatic), the Frequency and Maximum Depth in the tree at which heuristics will be applied, and the Maximum Nodes explored and Maximum Solutions found while heuristics are used.

XPRESS Solver Options Heuristics tab (31086 bytes)
Click on the XPRESS Solver Options
dialog Heuristics tab to see it full size.

Back to XPRESS Solver Engine Product Overview 

  sparse matrix, factorization   LU decomposition, Markowitz refactorization
spreadsheet solver
scarce resources