colour.lagrange_coefficients

colour.lagrange_coefficients(r, n=4)[source]

Computes the Lagrange Coefficients at given point \(r\) for degree \(n\).

Parameters
  • r (numeric) – Point to get the Lagrange Coefficients at.

  • n (int, optional) – Degree of the Lagrange Coefficients being calculated.

Returns

Return type

ndarray

References

[Fai85], [Wikipedia03b]

Examples

>>> lagrange_coefficients(0.1)
array([ 0.8265,  0.2755, -0.1305,  0.0285])