Wel­come to Manopt!

A Matlab tool­box for opti­mization on manifolds

Optimization on manifolds is a powerful paradigm to address nonlinear optimization problems. With Ma­nopt, it is easy to deal with various types of symmetries and constraints which arise naturally in applications, such as orthonormality and low rank.

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Maniwhat now?

Manifolds are mathematical sets with a smooth geometry, such as spheres. If you are facing a nonlinear (and possibly nonconvex) optimization problem with nice-looking constraints or invariance properties, Manopt may just be the tool for you. Check out the man­i­folds lib­rary to find out!

Key features

Manopt comes with a large library of manifolds and ready-to-use Riemannian optimization algorithms. It is well documented and includes diagnostics tools to help you get started quickly. It provides flexibility in describing your cost function and incorporates an optional caching system for more efficiency.

It's open source

Check out the li­cense and let us know how you use Manopt. Please cite this paper if you publish work using Manopt (bibtex).