Category:Definitions/Interpolation

This category contains definitions related to Interpolation.
Related results can be found in Category:Interpolation.

Let $f$ be a real function.

Let $y_1, y_2, \ldots, y_n$ be known values of $f$ corresponding to $x_1, x_2, \ldots, x_n$ respectively.

Interpolation is the process of estimating a value $y'$ of $f$ for a value $x$ lying somewhere between $2$ of the values of $x$ whose images are known.