numpy.polynomial.hermite.hermgrid3d  
numpy.polynomial.hermite.hermgrid3d(x, y, z, c) [source]
 
Evaluate a 3-D Hermite 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 hermval, hermval2d, hermgrid2d, hermval3d  Notes  New in version 1.7.0.  


    
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