Interpolacja Liniowa

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#27541

From: jcubic
Date: Fri, 25 Jun 2010 18:51

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Próbuje napisać funkcję do interpolacji liniowej, taką która przyjmuje
cztery parametry x1, y1, x2, y2 i zwracającą funkcję f(x).

Próbowałem taki kod

def get_interpolated(x1, y1, x2, y2):
    'function for linear interpolation.'
    a = (y2 - y1) / (x2 - x1)
    b = ((-x1) * (y2 - y1) - (x2 - x1) * (-y1)) / (x2 - x1)
    def interpolated(x):
        return a * x + b
    return interpolated

i taki

def get_interpolated(x1, y1, x2, y2):
    'function for linear interpolation.'
    def interpolated(x):
        return y1 + (((y2 - y1) / (x2 - x1)) * (x - x1))
    return interpolated

ale żaden nie działa.

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From: jcubic <jcubic@onet.pl>
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Subject: Interpolacja Liniowa
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