[SciPy-user] Stineman interpolation

[Krishna Bhagavatula]

Hi,

Stineman interpolation is supposed to be a well behaved method of
interpolation.

Can someone explain why it's behaving wildly in a simple case:

x = (0, 10, 70, 100)
y = (0, 535, 595, 1000)
xx = arange(0,100,1)
yy = stineman_interp(xx,x,y,yp=None)
plot(x,y,'x')
plot(xx,yy)

Are there any exceptions when it does not behave well?
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