Cusplintcoef

Cubic spline interpolation coefficient

Syntax

cusplintcoef(x, y)

x,y are vectors of the same size

Return return an matrix whose rows contains coefficients to calculate cubic spine interpolation for each data interval.

Example

Input

Output

x = linspace(0, PI/8.0, 8)

y = sin(x)

cusplintcoef(x, y)