Hi,
I'm trying to do something that I think should be simple based on my
experience with Mathematica, but I have been unsuccessful doing it in
Sage. I've searched around quite a bit, but I can't find any
examples. Basically, I'm defining a function that isn't a nice closed
form function (below it's called g). In this case it is defined as a
Laplace integral. I just want Sage to evaluate it (approximate it) at
particular values that I stick in.
var('x,s')
f(x) = 1/(x+1)^2
g(s) = f.laplace(x,s)
g
s |--> laplace(1/(x + 1)^2, x, s)
# this is ok, but I want a numerical approximation
g(10)
laplace(1/(x + 1)^2, x, 10)
# let me try to get the numerical approximation
g(10).n()
TypeError: unable to coerce '?%laplace(1/(x+1)^2,x,10)' to float
How can I get around this? Or am I just thinking about all this the
wrong way?
Thank you in advance!
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