This is documentation for an old release of NumPy (version 1.19). Read this page Search for this page in the documentation of the latest stable release (version 2.2).

numpy.polynomial.polynomial.polyline

numpy.polynomial.polynomial.polyline(off, scl)

Returns an array representing a linear polynomial.

Parameters

off, sclscalars

The “y-intercept” and “slope” of the line, respectively.

Returns

yndarray

This module’s representation of the linear polynomial off + scl*x.

See also

chebline

Examples

>>>

>>> from numpy.polynomial import polynomial as P
>>> P.polyline(1,-1)
array([ 1, -1])
>>> P.polyval(1, P.polyline(1,-1)) # should be 0
0.0