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Armadillo C++ matrix library

Armadillo C++ matrix library

Fast C++ matrix library with easy to use functions and syntax, deliberately similar to Matlab

License Mozilla Public License 2.0 (MPL 2.0)
Updated on Sep 24, 2015
Version na
Site URL
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Author Guest
Category Development Tools
Views 637
Downloads 0

It is a fast C++ matrix library with very easy functions and syntax. Armadillo has the same purpose as that of Matlab.  It opts for template meta-programming techniques.

Armadillo serves you as an efficient wrapper for LAPACK, BLAS and ATLAS libraries; also it includes high-performance versions such as Intel MKL, AMD ACML and OpenBLAS.


  • Easy to use
  • Many MATLAB like functions
  • Efficient classes for vectors, matrices, cubes (3rd order tensors) and fields
  • Fast singular value decomposition (SVD), eigen decomposition, QR, LU, Cholesky, FFT
  • Statistical modelling using Gaussian Mixture Models (GMM)
  • Clustering using K-means and Expectation Maximisation
  • Automatic vectorisation of expressions (SIMD)
  • Contiguous and non-contiguous submatrices
  • Automatically combines several operations into one
  • Useful for prototyping directly in C++
  • Useful for conversion of research code into production environments
  • Distributed under a license useful in both open-source and proprietary/commercial contexts



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