Status: New
Owner: ----
Labels: Type-Defect Priority-Medium Integration
New issue 3713 by [email protected]: integrate() not evaluating the
desired final solution
http://code.google.com/p/sympy/issues/detail?id=3713
from sympy import *
init_printing(use_unicode=False, wrap_line=False, no_global=True)
x = Symbol('x')
n = Symbol('n')
integrate(exp(-x**2)*exp(-(n - x)**2), x)
/
|
| 2 2
| -x -(n - x)
| e *e dx
|
/
integrate(exp(-2*x**2 - n**2 + 2*n*x), x)
2
-n
--- / ___ \
___ ____ 2 |\/ 2 *n ___ |
-\/ 2 *\/ pi *e *erf|------- - \/ 2 *x|
\ 2 /
-----------------------------------------
4
The integrands in both the cases are equivalent but the first one does not
give the desired solution.
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