colour.PchipInterpolator

class colour.PchipInterpolator(x, y, *args, **kwargs)

Interpolates a 1-D function using Piecewise Cubic Hermite Interpolating Polynomial interpolation.

y

Notes

• This class is a wrapper around scipy.interpolate.PchipInterpolator class.

__init__(x, y, *args, **kwargs)

Initialize self. See help(type(self)) for accurate signature.

Methods

__init__(x, y, *args, **kwargs)	Initialize self.
antiderivative([nu])	Construct a new piecewise polynomial representing the antiderivative.
construct_fast(c, x[, extrapolate, axis])	Construct the piecewise polynomial without making checks.
derivative([nu])	Construct a new piecewise polynomial representing the derivative.
extend(c, x[, right])	Add additional breakpoints and coefficients to the polynomial.
from_derivatives(xi, yi[, orders, extrapolate])	Construct a piecewise polynomial in the Bernstein basis, compatible with the specified values and derivatives at breakpoints.
from_power_basis(pp[, extrapolate])	Construct a piecewise polynomial in Bernstein basis from a power basis polynomial.
integrate(a, b[, extrapolate])	Compute a definite integral over a piecewise polynomial.
roots()	Return the roots of the interpolated function.

Attributes

axis
c
extrapolate
x
y	Getter and setter property for the dependent and already known \(y\) variable.