Description:

Armadillo is a template C++ linear algebra library (matrix maths) aiming towards a good balance between speed and ease of use. Integer, floating point and complex numbers are supported, as well as a subset of trigonometric and statistics functions. Various matrix decompositions are provided via an optional integration with LAPACK, or one of its high performance drop-in replacements (e.g. AMD's ACML or Intel's MKL).

A delayed evaluation approach is employed (during compile time) to combine several operations into one and reduce (or eliminate) the need for temporaries. This is accomplished through recursive templates and template meta-programming.

This library is useful if C++ has been decided as the language of choice (due to speed and/or integration capabilities), rather than another language like Matlab or Octave. It is distributed under a license that is useful in both open-source and commercial contexts.

Changes to previous version:

• faster eigen decomposition via "divide and conquer" algorithm
• faster transpose of vectors and compound expressions
• faster handling of diagonal views
• faster handling of tiny fixed size vectors (≤ 4 elements)
• added unique(), for finding unique elements of a matrix

BibTeX Entry: Download

Supported Operating Systems: Linux, Windows, Unix, Mac Os X

Data Formats: Ascii, Binary, Csv

Tags: Matrix Library, Atlas, Lapack, Linear Algebra, Templates

Archive: download here

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