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GIPALS - Linear Programming Environment 3.3

GIPALS is linear programming environment that incorporates large-scale linear.


Last Week downloads: 0
Total downloads: 1,252
  • Last Updated: Jan 18, 2011
  • License: Shareware $197.00
  • OS: Windows XP/2000/98
  • Requirements: No special requirements

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4 out of 5 based on 1 ratings for GIPALS - Linear Programming Environment 3.3

For GIPALS - Linear Programming Environment 3.3Publisher's description


GIPALS - Linear Programming Environment is a Business software developed by Optimalon Software. After our trial and test, the software is proved to be official, secure and free. Here is the official description for GIPALS - Linear Programming Environment:

GIPALS is linear programming environment that incorporates large-scale linear programs solver and easy, intuitive graphical user interface to direct specify or import and solve any type of constrained optimization problems arising in various industrial, financial and educational areas.

A constrained optimization problem is stated as a linear program that size can be unlimited.

The linear program solver is based on interior-point method (Mehrotra Predictor - corrector Algorithm) and optimized for large Sparse linear programs. The solver exploits a sparsity of the constraint matrix by implementing state-of-art ordering algorithm to preserve the matrix sparsity and hence reduce the calculation time dramatically. Almost every stage of the linear programming calculation can be saved in the debug files or traced for the deep Analysis.

The user can specify the linear program constraints in a dense form using the grids or in a sparse form using the particular constraints editor. The dense form is suitable for small and medium linear programs with non-zeros prevail over zeros. In this form the constraints can be directly copied/pasted from/to MS Excel spreadsheets by Windows clipboard. The sparse form is designed to specify / view / edit large linear programs with tens and hundreds of thousand variables and constraints. Any constraint can be disabled / enabled from the calculation by the user at any time.

The main features of GIPALS Linear Programming Environment are:

* The maximum number of variables is Unlimited or 15,000 .
* The maximum number of linear constraints is Unlimited or 15,000.
* Flexible windows positions.
* Direct input Linear Program (LP) in sparse form by a grid editor (useful for small and medium LP sizes).
* Direct input LP in Compact form using special constraint body editor (useful for large LP sizes).
* Import LP from files in MPS (Mathematical Programming System) format.
* Export LP to files in MPS format.
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