Python | Numpy np.lagval3d() method Last Updated : 23 Jan, 2020 Comments Improve Suggest changes Like Article Like Report With the help of np.lagval3d() method, we can get the 3-D laguerre series at point x by using np.lagval3d() method. Syntax : np.lagval3d(x, y, z, c) Return : Return the 3-D laguerre series at point x, y and z. Example #1 : In this example we can see that by using np.lagval3d() method, we are able to get the 3-D laguerre series at point x, y and z by using this method. Python3 1=1 # import numpy and lagval3d import numpy as np from numpy.polynomial.laguerre import lagval3d x = np.array([[1, 2], [3, 4]]) y = np.array([[-5, -10], [-15, -20]]) z = np.array([[1, 2], [3, 4]]) c = np.array([1, 2]) # import np.lagval3d() method gfg = lagval3d(x, y, z, c) print(gfg) Output : [[13. 44.] [43. 94.]] Example #2 : Python3 1=1 # import numpy and lagval3d import numpy as np from numpy.polynomial.laguerre import lagval3d x, y, z = 1, 2, 3 c = np.array([1, 2]) # import np.lagval3d() method gfg = lagval3d(x, y, z, c) print(gfg) Output : 1.0 Comment More infoAdvertise with us Next Article Python | Numpy np.lagval3d() method J Jitender_1998 Follow Improve Article Tags : Python Python-numpy Python numpy-Mathematical Function Practice Tags : python Similar Reads 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 t 1 min read Python | Numpy np.lagval() method With the help of np.lagval() method, we can get the laguerre series at point x by using np.lagval() method. Syntax : np.lagval(x, c) Return : Return the laguerre series at point x. Example #1 : In this example we can see that by using np.lagval() method, we are able to get the laguerre series at poi 1 min read Python | Numpy np.lagvander3d() method np.lagvander3d() method is used to returns the Vandermonde matrix of degree deg and sample points x, y and z. Syntax : np.lagvander3d(x, y, z, deg) Parameters: x, y, z :[ array_like ] Array of points. The dtype is converted to float64 or complex128 depending on whether any of the elements are comple 2 min read Python | Numpy np.lagvander() method With the help of np.lagvander() method, we can get the Pseudo-Vandermonde matrix from given array having degree which is passed as parameter by using np.lagvander() method. Syntax : np.lagvander(arr, degree) Parameters: arr :[ array_like ] Array of points. The dtype is converted to float64 or comple 2 min read Python | Numpy np.lagder() method np.lagroots() method is used to differentiate a Laguerre series. Syntax : np.lagder(c, m=1, scl=1, axis=0) Parameters: c :[array_like] 1-D arrays of Laguerre series coefficients ordered from low to high. m :[int, optional] Number of derivatives taken, must be non-negative.Default is 1. scl :[scalar, 1 min read Python | Numpy np.lagdiv() method np.lagdiv() method is used to divide one Laguerre series to another.It returns the quotient-with-remainder of two Laguerre series c1 / c2. Syntax : np.lagdiv(c1, c2) Parameters: c1, c2 :[ array_like ] 1-D arrays of Laguerre series coefficients ordered from low to high. Return : [ndarray] Laguerre se 1 min read Python | Numpy np.laggrid3d() method np.laggrid3d() method is used to evaluate a 3-D Laguerre series on the Cartesian product of x, y and z. Syntax : np.laggrid3d(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 2 min read Python | Numpy np.legvander3d() method np.legvander3d() method is used to returns the Vandermonde matrix of degree deg and sample points x, y and z. Syntax : np.legvander3d(x, y, z, deg) Parameters: x, y, z :[ array_like ] Array of points. The dtype is converted to float64 or complex128 depending on whether any of the elements are comple 2 min read Python | Numpy np.lagvander2d() method With the help of np.lagvander2d() method, we can get the Pseudo-Vandermonde matrix from given array having degree which is passed as parameter by using np.lagvander2d() method. Syntax : np.lagvander2d(x, y, deg) Parameters: x, y :[ array_like ] Array of points. The dtype is converted to float64 or c 2 min read Python | Numpy np.chebval3d() method With the help of np.chebval3d() method, we can get the array of coefficients after evaluation on (x, y, z) on chebyshev series by using np.chebval3d() method. Syntax : np.chebval3d(x, y, z, c) Return : Return an array after evaluation on (x, y, z). Example #1 : In this example we can see that by usi 1 min read Like