Fast C++ library for linear algebra (matrix maths) and scientific computing. Easy to use functions and syntax, deliberately similar to Matlab. Uses template meta-programming techniques.

Also provides efficient wrappers for LAPACK, BLAS, ATLAS, ARPACK and SuperLU libraries, including high-performance versions such as OpenBLAS and Intel MKL.

Useful for machine learning, pattern recognition, signal processing, bioinformatics, statistics, finance, etc.

For more details, see http://arma.sourceforge.net

Features

  • Easy to use - has many MATLAB like functions
  • Useful for prototyping directly in C++
  • Useful for conversion of research code into production environments
  • Permissively licensed - can be used in proprietary software and products
  • Used for machine learning, pattern recognition, computer vision, signal processing, bioinformatics, statistics, finance, etc
  • Efficient classes for vectors, matrices, cubes (1st, 2nd, 3rd order tensors)
  • Fast singular value decomposition (SVD), eigen decomposition, QR, LU, Cholesky, FFT
  • Clustering using k-means and Gaussian Mixture Models (GMM)
  • Automatic vectorisation of expressions (SIMD)
  • Contiguous and non-contiguous submatrices
  • Automatically combines several operations into one to increase speed and efficiency
  • Automatically uses OpenMP for speedups

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User Reviews

  • Excellent library.

    1 user found this review helpful.
  • This library is great for converting Matlab code into efficient C++. My methodology is to copy the Matlab into a C++ editor window, and convert line-by-line. It's not a one-to-one conversion, but, it's close (2-3 lines C++ to 1 Matlab). Efficiency is excellent. I have benchmarked a dot product operation and found its use with OpenBLAS is close to the maximum CPU capability. The only downside is that when Armadillo throws an exception (during development), it can be difficult to find the source of the problem. The best solution is a stack trace in the debugger.

    1 user found this review helpful.
  • Excellent all-purpose matrix library.

    1 user found this review helpful.
  • I like this project. It takes advantage of the new C++ features and is very easy to use.

    1 user found this review helpful.
  • Excellent usability, active development

    1 user found this review helpful.
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Additional Project Details

Intended Audience

Information Technology, Science/Research, Education, Advanced End Users, Developers, Engineering

Programming Language

MATLAB, C++

Registered

2008-02-08