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# numpy.polynomial.chebyshev.chebline

`numpy.polynomial.chebyshev.``chebline`(off, scl)

  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