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"MDArray is a multi dimensional array implemented for JRuby inspired by NumPy ( and Masahiro Tanaka´s Narray ( MDArray stands on the shoulders of Java-NetCDF and Parallel Colt. At this point MDArray has libraries for linear algebra, mathematical, trigonometric and descriptive statistics methods. NetCDF-Java Library is a Java interface to NetCDF files, as well as to many other types of scientific data formats. It is developed and distributed by Unidata ( Parallel Colt ( parallelcolt/0.10.0/) is a multithreaded version of Colt ( Colt provides a set of Open Source Libraries for High Performance Scientific and Technical Computing in Java. Scientific and technical computing is characterized by demanding problem sizes and a need for high performance at reasonably small memory footprint." For more information and (some) documentation please go to:


  1. - December 23, 2014 java (33.9 MB)
  2. - November 16, 2014 java (33.9 MB)
  3. 0.5.5 - November 16, 2013 java (30.1 MB)
  4. 0.5.4 - August 7, 2013 java (34.1 MB)
  5. 0.5.3 - June 24, 2013 java (22.9 MB)
Show all versions (11 total)

Runtime Dependencies:


  • Rodrigo Botafogo



Sha 256 checksum:


Total downloads 7,441

For this version 487

Show all versions (11 total)

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BSD 2-clause

Required Ruby Version: >= 0