#4839: update desolve_laplace like #4285 did for desolve
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Reporter: jason | Owner: burcin
Type: defect | Status: new
Priority: major | Milestone: sage-3.4
Component: calculus | Resolution:
Keywords: |
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Comment (by wdj):
This would be awesome!
BTW, ICs used with desolve really does not work: from the docstring, you
see
{{{
sage: x = var('x')
sage: y = function('y', x)
sage: de = diff(y,x,2) - y == x
sage: desolve(de, y)
k1*e^x + k2*e^(-x) - x
sage: f = desolve(de, y, [10,2,1]); f
(e^10*y(10) + 8*e^10)*e^(-x)/2 + (y(10) +12)*e^(x - 10)/2 - x
}}}
so for some reason 2 is not plugged in for y(10).
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4839#comment:1>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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