Quadratic interpolation

Performs and visualizes a quadratic interpolation for a given set of points.

Syntax for entering a set of points: Spaces separate x- and y-values of a point and a Newline distinguishes the next point. Hit the button Show example to see a demo.

Points

Equation

To get the additional information which is required to perform a quadratic interpolation the algorithm considers the first sub-function to be linear.

x-value

Graph

See also

Linear interpolation · Cubic spline interpolation · Polynomial interpolation

Additional information

In the mathematical field of numerical analysis, interpolation is a method of constructing new data points within the range of a discrete set of known data points. Read more

Source code

JavaScript source code (quadratic-interpolation.js)

Keywords

math interpolation quadratic function points x y