#10750: Unify certain solve outputs
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Reporter: kcrisman | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone:
Component: symbolics | Keywords: solve, maxima, Maxima
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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In [http://ask.sagemath.org/question/365/solve-confusion this]
ask.sagemath question, there is some inconsistency in our use of Maxima's
solve, or possibly its solving.
{{{
s=list(var('s_%d' % i) for i in range(3));
var('x y z');
print solve([],s_0,s_1,s_2)
print solve([z==z],s_0,s_1,s_2)
print solve([z==z,y==y],s_0,s_1,s_2)
print solve([z==z,y==y,x==x],s_0,s_1,s_2)
print solve([s_0==0],s_0,s_1,s_2);
print solve([s_0==0,s_1==s_1],s_0,s_1,s_2)}}}
{{{
[[s_0 == c1, s_1 == c2, s_2 == c3]]
({s_0: r1}, [])
[[s_0 == r6, s_1 == r5, s_2 == r4]]
[[s_0 == r9, s_1 == r8, s_2 == r7]]
([s_0 == 0], [1])
[[s_0 == 0, s_1 == r11, s_2 == r10]]
}}}
Most of these do make sense, but you'll notice the change from complex to
real variables, one place that seems to have a multiplicity, and the one
with only a dictionary as output!
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10750>
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