Opened 8 years ago
Closed 8 years ago
#1488 closed defect (fixed)
[patch, with positive review] fix output of symbolic vectors
Reported by: | was | Owned by: | was |
---|---|---|---|
Priority: | major | Milestone: | sage-2.9 |
Component: | linear algebra | Keywords: | |
Cc: | Merged in: | ||
Authors: | Reviewers: | ||
Report Upstream: | Work issues: | ||
Branch: | Commit: | ||
Dependencies: | Stopgaps: |
Description
On Dec 13, 2007 9:39 AM, pgdoyle <petergrantdoyle@gmail.com> wrote: > > The vector v2 doesn't display properly in the attached Sage output. > Or rather, the free module element v2. > (Should I be worried that I got a free module element when I expected > a vector, or will everything work out for the best?) Vectors are elements of "free modules" :-). The "vector" command is just a command to create vectors. The output of vectors with symbolic entries is crap, as you illustrate below. I've fixed this: > > Cheers, > > Peter > ----------------------------------- > sage: v1=vector([1/2,1/2]) > sage: v1 > (1/2, 1/2) > sage: type(v1) > <type 'sage.modules.vector_rational_dense.Vector_rational_dense'> > sage: v2=vector([x/(2*x),x/(2*x)]) > sage: v2 > ( 1 > - > > 2, 1 > - > 2) > sage: type(v2) > <type > 'sage.modules.free_module_element.FreeModuleElement_generic_dense'> > sage: type(v2[1]) > <class 'sage.calculus.calculus.SymbolicArithmetic'>
Attachments (1)
Change History (4)
Changed 8 years ago by was
comment:1 Changed 8 years ago by malb
- Summary changed from [with easy patch] fix output of symbolic vectors to [with easy refereed patch] fix output of symbolic vectors
comment:2 Changed 8 years ago by mabshoff
- Summary changed from [with easy refereed patch] fix output of symbolic vectors to [patch, with positive review] fix output of symbolic vectors
comment:3 Changed 8 years ago by mabshoff
- Resolution set to fixed
- Status changed from new to closed
Merged in 2.9.alpha7.
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looks good.