## A Month of Math Software – March 2013

Welcome to the latest edition of A Month of Math Software where I look back over the last month and report on all that is new and shiny in the world of mathematical software. I’ve recently restarted work after the Easter break and so it seems fitting that I offer you all Easter Eggs courtesy of Lijia Yu and R. Enjoy!

**General purpose mathematical systems
**

- The Python-based computer algebra system, Sage, is now at version 5.8. Take a look at http://www.sagemath.org/mirror/src/changelogs/sage-5.8.txt to see what’s new
- Version 17 of the commercial computer algebra system, Maple, has been released. There are many new features including new signal processing functions, massive performance enhancements and something completely new called The Möbius Project!
- Every six months we get a new MATLAB release and March brought us 2013a. I’m always made a little happier when The Mathworks reduce their toolbox count by combining products and this time they’ve come good by combining The Fixed-Point Toolbox and Simulink Fixed Point products into the new Fixed Point Designer . An overview of other changes can be found at http://www.mathworks.co.uk/company/newsroom/MathWorks-Announces-Release-2013a-of-the-MATLAB-and-Simulink-Product-Families.html
- The almost continuously updated Euler Math Toolbox is now at 21.5. As ever, all of the updates and improvements can be found at http://euler.rene-grothmann.de/Programs/Changes.html
- Magma is now at version 2.19-4.

**MATLAB add-ons**

- The multiprecision MATLAB toolbox from Advanpix has been upgraded to version 3.4.3.3431 with the addition of multidimensional arrays.
- The superb, free chebfun project has now been extended to 2 dimensions with the release of chebfun2.

**GPU accelerated computation**

- Magma is a GPU accelerated linear algebra library and there is now a beta version for the Intel Xeon Phi – http://icl.cs.utk.edu/magma/news/news.html?id=315
- Stream Computing are compiling a list of OpenCL wrappers for various platforms and languages.
- AccelerEyes have published a couple of articles demonstrating how to use their ArrayFire product to accelerate calculations using GPUs. In March they brought us Benchmarks and Financial.
- CuPoisson v1 has been released. “
*CuPoisson is a GPU implementation of the 2D fast Poisson solver using CUDA. The method solves the discrete Poisson equation on a rectangular grid, assuming zero Dirichlet boundary conditions.*“

**Statistics and visualisation **

- Version 3.0 of R was released today! A major change is that full 64bit vector support is now enabled meaning the end to the 2 billion row limit in data frames…bring on the big data! Full details at https://stat.ethz.ch/pipermail/r-announce/2013/000561.html
- Pandas, the data-analysis package for Python, has had a major update. Version 0.11 includes lots of new stuff which you can read about at http://pandas.pydata.org/pandas-docs/dev/whatsnew.html
- Matplotlib, the standard mathematical plotting library for Python, has been updated to version 1.2.1. This is just a bug-fix release; all the new user-visible functionality came in v1.2 which you can read about here.
- GNUPlot, the venerable plotting package from from the GNU Project, has been updated to version 4.6.2. A complete list of changes is at http://www.gnuplot.info/announce_4.6.2.txt
- A new version of the Perl Data Language (PDL) has been made available. See what’s new in version 2.006 at http://mailman.jach.hawaii.edu/pipermail/perldl/2013-March/007803.html
- Statisticsblog.com have reviewed the R-Link package in Mathematica 9 that allows you to integrate R and Mathematica code.

**Finite elements
**

- Version 7.3 of deal.II is now available. deal.II is a C++ program library targeted at the computational solution of partial differential equations using adaptive finite elements.

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