# Questions tagged [spline]

A smooth piecewise-defined curve formed by joining segments together, end-to-end. The segments are usually described by polynomial or rational functions. Splines are typically used for approximation or data fitting.

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### Interpolating a three point curve at any angle using cubic splines

I'm trying to interpolate a curve using cubic splines and three points in the x-y plane. I have some troubles finding the equation for the middle point such that the normal vectors in point P0 is ...
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### conic arc function

I would like to have a function $f(x,\alpha)$ looking like this: The lower the line, the bigger $\alpha$ is The straight line in the middle correspond to $\alpha=0$ The line forming the upper left ...
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### Cubic Hermite spline Derivative

I’m using the cubic Hermite spline to interpolate the position of a body as a function of time, here’s the formula: https://en.wikipedia.org/wiki/Cubic_Hermite_spline#...
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### How to draw a spline curve?

Well, I know this definition of a spline curve : $\forall t \in [0 ; 1], C(t) = \sum\limits_{i=1}^{k}F_i(t)P_i$ With : $t$ the abscissa of the spline curve's point we want to draw $C$ the function ...