#10088: numerical_integral fails for xonstant expressions
-------------------------+--------------------------------------------------
Reporter: lftabera | Owner: jason, jkantor
Type: defect | Status: new
Priority: major | Milestone: sage-4.6
Component: numerical | Keywords: numerical_integral
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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numerical_integral fails for constant expressions
{{{
sage: f = x
sage: g = x-1
sage: numerical_integral(f,-2,2)
(0.0, 4.4389290910485955e-14)
sage: numerical_integral(g,-2,2)
(-4.0, 5.550866604629029e-14)
sage: numerical_integral(f+g, -2, 2)
(-4.0, 9.4350890128471666e-14)
sage: numerical_integral(f-g, -2, 2)
---------------------------------------------------------------------------
ValueError Traceback (most recent call
last)
/home/luisfe/Varios/quotes/intradia/<ipython console> in <module>()
/opt/SAGE/sage-4.5.2/local/lib/python2.6/site-
packages/sage/gsl/integration.so in
sage.gsl.integration.numerical_integral (sage/gsl/integration.c:1551)()
ValueError: Integrand has wrong number of parameters
sage: type(f-g)
<type 'sage.symbolic.expression.Expression'>
sage: f-g
1
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/10088>
Sage <http://www.sagemath.org>
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