February 02, 2011
Cubic interpolation is a popular technique in many branches of computer science. For example, it is used when having a time series of numbers and estimating the intermediate points, for which no dedicated number sample is available. In such situations the idea is to consider the series as a time-continuous function, estimating the function's parameters, and calculating the function value for the desired time point. Hereby, we talk about cubic interpolation if this estimation function uses the time parameter up to the power of three. The effect of this technique is visualized in my newest YouTube video.