Status: Valid
Owner:
CC: mario.pe...@gmail.com
Labels: Type-Defect Priority-Medium
New issue 3769 by smi...@gmail.com: minpoly hangs on this expresion; should
subtract constant?
http://code.google.com/p/sympy/issues/detail?id=3769
eq=((1/sqrt(sqrt(7)/7 + 2*sqrt(2)+sqrt(3)))+3);
minpoly(
Comment #1 on issue 3769 by smi...@gmail.com: minpoly hangs on this
expresion; should subtract constant?
http://code.google.com/p/sympy/issues/detail?id=3769
A simpler expression is
a=3; eq = 1/sqrt(sqrt(7) + sqrt(2) + sqrt(3)) + a
minpoly(eq-a, x).subs(x, x - a).subs(x, eq).equals(0)
True
Comment #2 on issue 3769 by mario.pe...@gmail.com: minpoly hangs on this
expresion; should subtract constant?
http://code.google.com/p/sympy/issues/detail?id=3769
It does not stall on my computer, it takes 6s; but computing the following
one obtains the same in 0.07s
```
eq=((1/sqrt(sqrt
Comment #3 on issue 3769 by smi...@gmail.com: minpoly hangs on this
expresion; should subtract constant?
http://code.google.com/p/sympy/issues/detail?id=3769
Maybe I'll look at putting this into unrad and you can put it into minpoly.
I suspect that such a change might come right after the m
Comment #4 on issue 3769 by smi...@gmail.com: minpoly hangs on this
expresion; should subtract constant?
http://code.google.com/p/sympy/issues/detail?id=3769
I don't think it applies to unrad since unrad can already process a
constant beyond 3 radicals:
unrad(sqrt(2)+sqrt(3)+sqrt(5)+x+3,
Comment #5 on issue 3769 by mario.pe...@gmail.com: minpoly hangs on this
expresion; should subtract constant?
http://code.google.com/p/sympy/issues/detail?id=3769
There is a simple way to deal with sums of algebraic numbers,
I am going to open a PR as soon as PR 2887 is in; in it one can comp
Comment #6 on issue 3769 by smi...@gmail.com: minpoly hangs on this
expresion; should subtract constant?
http://code.google.com/p/sympy/issues/detail?id=3769
Just a reminder that there was lots of discussion in PR 2028 about this.
2028 has been committed so some of the changes that were men
Comment #7 on issue 3769 by mario.pe...@gmail.com: minpoly hangs on this
expresion; should subtract constant?
http://code.google.com/p/sympy/issues/detail?id=3769
fixed in PR 2038
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Updates:
Status: Fixed
Comment #8 on issue 3769 by asmeu...@gmail.com: minpoly hangs on this
expresion; should subtract constant?
http://code.google.com/p/sympy/issues/detail?id=3769
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