Python | Numpy np.polygrid2d() method
Last Updated :
29 Dec, 2019
np.polygrid2d()
method is used to evaluate a 2-D polynomial series on the Cartesian product of x and y.
Syntax : np.polygrid2d(x, y, c)
Parameters:
x, y :[array_like]The two dimensional series is evaluated at the points in the Cartesian product of x and y. 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]arrays of coefficient polynomial series.
Return : [ndarray] The values of the two dimensional polynomial series at points in the Cartesian product of x and y.
Code #1 :
import numpy as np
from numpy.polynomial.polynomial import polygrid2d
c = np.array([[ 1 , 3 , 5 ], [ 2 , 4 , 6 ]])
ans = polygrid2d([ 7 , 9 ], [ 8 , 10 ], c)
print (ans)
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Output:
[[ 3271. 5025.]
[ 4107. 6309.]]
Code #2 :
import numpy as np
from numpy.polynomial.polynomial import polygrid2d
c = np.array([[ 1 , 3 , 5 ], [ 2 , 4 , 6 ]])
ans = polygrid2d( 7 , 8 , c)
print (ans)
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