[Numpy-discussion] Piecewise functions.
Alan G Isaac
aisaac at american.edu
Thu Sep 22 12:31:36 CDT 2005
On Thu, 22 Sep 2005, Andrea Riciputi apparently wrote:
> this is probably an already discussed problem, but I've not been able
> to find a solution even after googling a lot.
> I've a piecewise defined function:
> /
> | f1(x) if x <= a
> f(x) = |
> | f2(x) if x > a
> \
> where f1 and f2 are not defined outside the above range. How can I
> define such a function in Python in order to apply (map) it to an
> array ranging from values smaller to values bigger than a?
I suspect I do not understand your question.
But perhaps you want this:
def f(x):
return x<=a and f1(x) or f2(x)
fwiw,
Alan
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