numpy.polynomial.polynomial.polyline¶
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numpy.polynomial.polynomial.
polyline
(off, scl)[source]¶ Returns an array representing a linear polynomial.
Parameters: off, scl : scalars
The “y-intercept” and “slope” of the line, respectively.
Returns: y : ndarray
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