#12778: Incorrect coercion of matrix elements when from different rings
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Reporter: kcrisman | Owner: jason, was
Type: defect | Status: new
Priority: major | Milestone: sage-5.0
Component: linear algebra | Keywords:
Work issues: | Report Upstream: N/A
Reviewers: | Authors:
Merged in: | Dependencies:
Stopgaps: |
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{{{
sage: M =
matrix([[1,.9,1/5,x^2],[2,1.9,2/5,x^3],[3,2.9,3/5,x^4],[4,3.9,4/5,x^5]])
sage: type(M)<type
'sage.matrix.matrix_symbolic_dense.Matrix_symbolic_dense'>
sage: M[ 1.00000000000000 0.900000000000000 0.200000000000000
x^2]
[ 2 1.90000000000000 2/5 x^3]
[ 3 2.90000000000000 3/5 x^4]
[ 4 3.90000000000000 4/5 x^5]
sage: latex(M)\left(\begin{array}{rrrr}
1.00000000000000 & 0.900000000000000 & 0.200000000000000 & x^{2} \\
2 & 1.90000000000000 & \frac{2}{5} & x^{3} \\
3 & 2.90000000000000 & \frac{3}{5} & x^{4} \\
4 & 3.90000000000000 & \frac{4}{5} & x^{5}
\end{array}\right)
}}}
Notice that the first row does something different to the entries than the
others.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12778>
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