ALGLIB - C++/C#/Java numerical analysis library
About ALGLIB ALGLIB is a cross-platform numerical analysis and data processing library. It supports five programming languages (C++, C#, Java, Python, Delphi) and several operating systems (Windows and POSIX, including Linux). ALGLIB features include: Data analysis (classification/regression, statistics) Optimization and nonlinear solvers Interpolation and linear/nonlinear least-squares fitting Li
Unconstrained optimization: L-BFGS and CG - C++, C#, Java
About algorithms ALGLIB package contains three algorithms for unconstrained optimization: L-BFGS, CG and Levenberg-Marquardt algorithm. This article considers first two algorithms, which share common traits: they solve general form optimization problem (target function has no special structure) they need function value and its gradient only (Hessian is not needed) both algorithms support numerical
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