Status: Valid
Owner: ----
Labels: Type-Defect Priority-Medium Solvers
New issue 3719 by [email protected]: checksol seems to hang when checking
solutions of this eq:
http://code.google.com/p/sympy/issues/detail?id=3719
print filldedent(eq)
sqrt(Abs(-5*x*(0.19*x*y + 0.05*y)/(x**2 + 25) + (1 - 25/(x**2 +
25))*(-x**2/10 - 0.01*x*y - 0.05*y))**2 + Abs(-5*x*(-x**2/10 -
0.01*x*y - 0.05*y)/(x**2 + 25) + (0.19*x*y + 0.05*y)*(-x**2/(x**2 +
25) + 1))**2) == 0
print filldedent(nsimplify(eq))
sqrt(Abs(-5*x*(19*x*y/100 + y/20)/(x**2 + 25) + (1 - 25/(x**2 +
25))*(-x**2/10 - x*y/100 - y/20))**2 + Abs(-5*x*(-x**2/10 - x*y/100 -
y/20)/(x**2 + 25) + (19*x*y/100 + y/20)*(-x**2/(x**2 + 25) + 1))**2)
== 0
sol=solve(nsimplify(eq), check=0)
checksol(nsimplify(eq).subs(sol[2]),{}) # hangs, too
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