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# numpy.polynomial.hermite_e.hermegrid3d

`numpy.polynomial.hermite_e.``hermegrid3d`(x, y, z, c)

  Evaluate a 3-D HermiteE series on the Cartesian product of x, y, and z.

  This function returns the values:

  where the points (a, b, c) consist of all triples formed by taking a from x, b from y, and c from z. The resulting points form a grid with x in the first dimension, y in the second, and z in the third.

  The parameters x, y, and z are converted to arrays only if they are tuples or a lists, otherwise they are treated as a scalars. In either case, either x, y, and z or their elements must support multiplication and addition both with themselves and with the elements of c.

  If c has fewer than three dimensions, ones are implicitly appended to its shape to make it 3-D. The shape of the result will be c.shape[3:] + x.shape + y.shape + z.shape.

  Parameters : | x, y, z : array_like, compatible objects The three dimensional series is evaluated at the points in the Cartesian product of x, y, and z. If x,`y`, or z is a list or tuple, it is first converted to an ndarray, otherwise it is left unchanged and, if it isn’t an ndarray, it is treated as a scalar. c : array_like Array of coefficients ordered so that the coefficients for terms of degree i,j are contained in `c[i,j]`. If c has dimension greater than two the remaining indices enumerate multiple sets of coefficients.
  Returns : | values : ndarray, compatible object The values of the two dimensional polynomial at points in the Cartesian product of x and y.

  See also

  `hermeval`, `hermeval2d`, `hermegrid2d`, `hermeval3d`

  Notes

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