Opened 4 years ago
Closed 4 years ago
#25008 closed enhancement (fixed)
Additional method "matrix" / "_matrix_" for the element class of ClassicalMatrixLieAlgebra
Reported by:  soehms  Owned by:  

Priority:  major  Milestone:  sage8.2 
Component:  algebra  Keywords:  classical lie algebra matrix _matrix_ 
Cc:  tscrim  Merged in:  
Authors:  Sebastian Oehms  Reviewers:  Travis Scrimshaw 
Report Upstream:  N/A  Work issues:  
Branch:  f1d16d1 (Commits, GitHub, GitLab)  Commit:  f1d16d1971c061c70cd369abaf395b41f4ed8741 
Dependencies:  Stopgaps: 
Description
A method to obtain the underlying matrix as element of the corresponding full matrix space analog to the similar method of MatrixGroupElement_generic should be added. This may be a shortcut for the following:
sage: LM = lie_algebras.sp(QQ, 4, representation='matrix') sage: e1, e2, f1, f2, h1, h2 = LM.gens() sage: mh1 = LM.associative_algebra()(dict(h1)); mh1 [ 1 0 0 0] [ 0 1 0 0] [ 0 0 1 0] [ 0 0 0 1] sage: mh1.parent() Full MatrixSpace of 4 by 4 sparse matrices over Rational Field
Change History (6)
comment:1 Changed 4 years ago by
 Branch set to u/soehms/matrix_method25008
comment:2 Changed 4 years ago by
 Commit set to 089091a2d2a637a598e309c353d0fc9fdf4d3f35
comment:3 Changed 4 years ago by
 Status changed from new to needs_review
comment:4 Changed 4 years ago by
 Branch changed from u/soehms/matrix_method25008 to public/lie_algebras/matrix_method25008
 Commit changed from 089091a2d2a637a598e309c353d0fc9fdf4d3f35 to f1d16d1971c061c70cd369abaf395b41f4ed8741
 Reviewers set to Travis Scrimshaw
I made a few small fixes to the documentation and added another test. If my changes look good, then you can set a positive review.
New commits:
f1d16d1  Small doc tweaks and adding another test.

comment:5 Changed 4 years ago by
 Status changed from needs_review to positive_review
comment:6 Changed 4 years ago by
 Branch changed from public/lie_algebras/matrix_method25008 to f1d16d1971c061c70cd369abaf395b41f4ed8741
 Resolution set to fixed
 Status changed from positive_review to closed
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Branch pushed to git repo; I updated commit sha1. New commits:
simplification