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These are Posts that have been added to favorites by ecterrab

Question Virasoro Algebra Mr.W00t 15/01/09
Post with(OrthogonalExpansions); hirnyk 07/06/10
Question Problem with tensor product of Bras and Kets in the Physics package Louis Lamarche 01/11/11
Blog Entry Directional Derivatives in Maple Robert Lopez 26/01/12
Question Is there a way to get the correct solution to a commutator involving powers of a Pauli Matrix? peterm 07/01/13
Question The problem with SortProducts from Physics package Andriy 11/09/13
Question General Relativity: Initialization of Objects Llew 09/11/13
Question Comment calculer le crochet de Poisson de deux fonctions ? gérard 20/05/14
Question covariant derivative in spherical coordinates 05/09/14
Question Dirac Algebra using the Physics Package Age 02/10/14
Question How to tell Maple that |a,b,c> is an eigenvector of operator A with eigenvalue f(a,b,c)? NOh 07/10/14
Post Add to the Physics:-Simplify and Physics:-Library:-SortProducts procedures dealing with Fermi annihilation/creation operators Andriy 03/12/14
Question How to define unit vectors of curvilinear coordinates in Physics[Vectors] package Ali Hassani 03/04/15
Question einstein-hilbert action escorpsy 09/04/15
Question How to use matrix symbol directly in equation derivation? yunlongwang 30/08/15
Question Summation in different form shzan 11/09/15
Post Numerical solution for the N-body problem with animation v 1.0 Yiannis Galidakis 18/01/16
Question Energy momentum tensor from metric sjaryal 30/04/16
Question Levi-Civita symbol and inverse of matrix maple2015 14/05/16
Question Metric Perturbation Age 16/06/16