如何确保样条曲线通过积分 [英] How to insure spline goes through points

问题描述

我正在尝试使用样条来计算轮廓。问题是，我似乎不知道如何使样条曲线经过某一点。我正在使用带有UnivariateSpline方法的scipy.interpolate库。

I am trying to make a spline to compute the derivative of a contour of a part of an image. The catch is that I don't seem to know how to make the spline go through a certain point. I am using the scipy.interpolate library with the UnivariateSpline method.

推荐答案

对于 UnivariateSpline 使用 s = 0 强制插值： UnivariateSpline（x，y，s = 0）。或者使用 InterpolatedUnivariateSpline ，这完全相同。

For UnivariateSpline use s=0 to force interpolation: UnivariateSpline(x, y, s=0). Or use InterpolatedUnivariateSpline, which is exactly equivalent.

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