Status: New Owner: ---- Labels: Type-Defect Priority-Medium New issue 1472 by goodrich.ben: [patch] Matrices: Introduce Matrix.vec() and Matrix.vech() http://code.google.com/p/sympy/issues/detail?id=1472
This patch adds two new functions of matrices (and three tests) .vec() stacks all the columns of a matrix into a new matrix with one long column .vech() stacks the lower triangle of a symmetric matrix into a new matrix with one long column See a book on matrix algebra or http://en.wikipedia.org/wiki/Vectorization_(mathematics) Ben Attachments: 0001-Matrices-introduce-vec-and-vech.patch 3.3 KB -- You received this message because you are listed in the owner or CC fields of this issue, or because you starred this issue. You may adjust your issue notification preferences at: http://code.google.com/hosting/settings --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sympy-issues" group. To post to this group, send email to sympy-issues@googlegroups.com To unsubscribe from this group, send email to sympy-issues+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sympy-issues?hl=en -~----------~----~----~----~------~----~------~--~---
