numpy.polynomial.polynomial.polyval2d  
numpy.polynomial.polynomial.polyval2d(x, y, c) [source]
 
Evaluate a 2-D polynomial at points (x, y). This function returns the value   
The parameters x and y are converted to arrays only if they are tuples or a lists, otherwise they are treated as a scalars and they must have the same shape after conversion. In either case, either x and y or their elements must support multiplication and addition both with themselves and with the elements of c. If c has fewer than two dimensions, ones are implicitly appended to its shape to make it 2-D. The shape of the result will be c.shape[2:] + x.shape.    
Parameters:

 
x, y : array_like, compatible objects  
The two dimensional series is evaluated at the points (x, y), where x and y must have the same shape. If x or y 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 coefficient of the term of multi-degree i,j is 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 formed with pairs of corresponding values from x and y.       See also polyval, polygrid2d, polyval3d, polygrid3d  Notes  New in version 1.7.0.  


    
{'path': 'public/docs/numpy~1.16/generated/numpy.polynomial.polynomial.polyval2d.html', 'source': 'DevDocs.IO'}