Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 2246 by [email protected]: Global directive to switch strict
transformations
http://code.google.com/p/sympy/issues/detail?id=2246
It is vitally to differential equation module to add ability to switch
behavior of sympy so it can make nonstrict computation
e.g. tan(x).inverse() = atan so atan(tan(x)) = x despite the range of x
After such changes we'll be able to solve wide class of DEs
e.g. dsolve(diff(f(x),x)+f(x)**2+1)
f(x) = tan(C₁ - x)
instead of atan(f(x)) = C₁ - x
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