Python | Numpy np.lagval2d() method

With the help of np.lagval2d() method, we can get the 2-D laguerre series at point x by using np.lagval2d() method.

Syntax : np.lagval2d(x, y, c)
Return : Return the 2-D laguerre series at point x and y.

Example #1 :
In this example we can see that by using np.lagval2d() method, we are able to get the 2-D laguerre series at point x and y by using this method.

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# import numpy and lagval2d
import numpy as np
from numpy.polynomial.laguerre import lagval2d
  
x = np.array([[1, 2], [3, 4]])
y = np.array([[5, 10], [15, 20]])
c = np.array([1, 2])
  
# import np.lagval2d() method
gfg = lagval2d(x, y, c)
  
print(gfg)

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Output :

[[13. 44.]
[43. 94.]]



Example #2 :

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# import numpy and lagval2d
import numpy as np
from numpy.polynomial.laguerre import lagval2d
  
x = np.array([[1, 2], [3, 4]])
y = np.array([[-1, -2], [-3, -4]])
c = np.array([1, -2])
  
# import np.lagval2d() method
gfg = lagval2d(x, y, c)
  
print(gfg)

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Output :

[[11. 24.]
[21. 38.]]

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