Grassmann Manifold Optimization Optimizing a function F(U), where U is a semi-orthogonal matrix and F is invariant under an orthogonal transformation of U Software Depends: Matrix Kofi Placid Adragni <kofi@umbc.edu> Kofi Placid Adragni and Seongho Wu GPL (>= 2) 2012-03-27 application/tgz http://CRAN.R-project.org/package=GrassmannOptim