numpy.polynomial.chebyshev.
chebline
Chebyshev series whose graph is a straight line.
The specified line is given by off + scl*x.
off + scl*x
This module’s representation of the Chebyshev series for off + scl*x.
See also
polyline
Examples
>>> import numpy.polynomial.chebyshev as C >>> C.chebline(3,2) array([3, 2]) >>> C.chebval(-3, C.chebline(3,2)) # should be -3 -3.0