Python | Numpy np.leggrid3d() method
Last Updated :
29 Dec, 2019
np.leggrid3d()
method is used to evaluate a 3-D legendre series on the Cartesian product of x, y and z.
Syntax : np.leggrid3d(x, y, z, c)
Parameters:
x, y, z :[array_like]The three dimensional series is evaluated at the points in the Cartesian product of x, y and z. If x or 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] legendre series coefficients.
Return : [ndarray] The values of the two dimensional legendre series at points in the Cartesian product of x and y.
Code #1 :
import numpy as np
from numpy.polynomial.legendre import leggrid3d
c = np.array([[ 1 , 3 , 5 ], [ 2 , 4 , 6 ], [ 10 , 11 , 12 ]])
ans = leggrid3d([ 7 , 9 ], [ 8 , 10 ], [ 5 , 6 ], c)
print (ans)
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Output:
[[ 878011. 1034500.5]
[ 1351191. 1592014.5]]
Code #2 :
import numpy as np
from numpy.polynomial.legendre import leggrid3d
c = np.array([[ 1 , 3 , 5 ], [ 2 , 4 , 6 ], [ 10 , 11 , 12 ]])
ans = leggrid3d( 7 , 11 , 12 , c)
print (ans)
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