numpy.polynomial.laguerre.lagcompanion(c)[source]
Return the companion matrix of c.
The usual companion matrix of the Laguerre polynomials is already symmetric when c
is a basis Laguerre polynomial, so no scaling is applied.
Parameters: |
c : array_like 1-D array of Laguerre series coefficients ordered from low to high degree. |
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Returns: |
mat : ndarray Companion matrix of dimensions (deg, deg). |
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https://docs.scipy.org/doc/numpy-1.10.1/reference/generated/numpy.polynomial.laguerre.lagcompanion.html