id,summary,reporter,owner,description,type,status,priority,milestone,component,resolution,keywords,cc,merged,author,reviewer,upstream,work_issues,branch,commit,dependencies,stopgaps
23576,Wrong results in vector matrix multiplication,sbrandhorst,,"{{{
sage: M = FreeModule(ZZ,1).span([vector([1/3])])
sage: x = M([1/3])
sage: x
(1/3)
sage: A = Matrix(QQ,[1])
sage: x*A , A*x
((1/3), (1/3))
}}}
This is good.
{{{
sage: B = Matrix(ZZ,[1])
sage: x*B , B*x
((1), (1/3))
}}}
The first entry is clearly wrong.
Somehow the first product is carried out in a wrong basis representation for x.",defect,new,major,sage-8.1,linear algebra,,sd91,,,,,N/A,,u/roed/vmat_action,6021daa7081396ae0c418b8f34ad69dc96a682c7,,