• Announcing What'sBest 19, LINGO 21 and LINDO® API 15 releases with faster solvers and new features.

    Announcing What'sBest 19, LINGO 21 and LINDO® API 15 releases with faster solvers and new features.

  • What'sBest! 19 - Excel Add-In for Linear, Nonlinear, and Integer Modeling and Optimization

    What'sBest! 19 - Excel Add-In for Linear, Nonlinear, and Integer Modeling and Optimization

  • LINGO 21 - Optimization Modeling Software for Linear, Nonlinear, and Integer Programming

    LINGO 21 - Optimization Modeling Software for Linear, Nonlinear, and Integer Programming

  • LINDO® API 15 - Powerful Library of Optimization Solvers and Mathematical Programming Tools

    LINDO® API 15 - Powerful Library of Optimization Solvers and Mathematical Programming Tools

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  • What'sBest!

    What'sBest! lets you build linear, nonlinear, and integer models in Excel. Models are easy to build and understand using standard spreadsheet equations.


  • LINGO

    LINGO is a comprehensive tool designed to help you build and solve linear, optimization models quickly, easily, and efficiently.

  • LINDO® API

    LINDO® API creates optimization applications. It allows you to plug the power of the LINDO® solver right into customized applications that you have written.
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Announcing LINDO API 15, the Solver Engine Callable Library

 

LINDO API 15 includes substantial improvements to all components of the library, the LP/MIP solvers, Global optimizer, Nonlinear solver, and has enhanced support for external MIP solvers. 

 

Details:

• Improved reproducibility when solving a problem repeatedly, particularly with the concurrent option choosing the fastest of Barrier, Primal simplex, and dual simplex.

• Global solver offers improved handling of IF statements and polynomials. 

• Recognizes the CENSOR( x, LB, UB) construct which is the simplest form of an S-curve function such as might be found in neural networks. 

• Recognizes the POLYNOMIAL construct to better exploit univariate polynomials.

• Improved Multi-start for quickly finding good solutions to difficult nonconvex problems,

• Increased support for external solvers, including linear solvers such as COPT, CLP, HIGHS,

• Improved support for some external Nonlinear solvers.

• LINDO API 15 is available on all major platforms: Windows, Linux, MacOS, ARM, Android.

 

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