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## The Matrix Product Toolkit

The Matrix Product Toolkit is a comprehensive suite of tools for constructing and manipulating Matrix Product States, aimed at numerical simulations in condensed matter physics, quantum information science and related areas. For more information and history of the toolkit, see the About page.

To get started, see the Download and Install links below. To see some applications of the toolkit, try the HOWTO pages note much of the documentation on the HOWTO pages is out of date.

### News

2017–05–16: Tagged version 1705 in git — finite-size DMRG is now integerated into the iDMRG/git version of the toolkit.

2016–07–14: Installed new MathJax plugin. Notation change: $…$ for {$\LaTeX$} equations is no longer supported (use {$...$} instead), so many equations won’t display properly until this is fixed. There are some predefined macros, see LatexMacros for details.

2016–07–13: Added some notes on compiler support

2016–05–12: BUG FIX IN MP-EVOLVE-KRYLOV: for the ‘trunk’ version of the toolkit, there is a bug fix for a convergence problem in mp-evolve-krylov. See Bugs.MpEvolveKrylov for details. The git version is unaffected.

2015–09–16: Development of the toolkit is moving to use git. See Download for details. The subversion repository is now read-only.