numpy.polynomial.chebyshev.chebline¶
- numpy.polynomial.chebyshev.chebline(off, scl)[source]¶
Chebyshev series whose graph is a straight line.
Parameters: off, scl : scalars
The specified line is given by off + scl*x.
Returns: y : ndarray
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