Python | Numpy np.chebval() method Last Updated : 11 Nov, 2019 Summarize Comments Improve Suggest changes Share Like Article Like Report With the help of np.chebval() method, we can get the array of coefficients after evaluation of x on chebyshev series by using np.chebval() method. Syntax : np.chebval(x, c) Return : Return an array after evaluation on x. Example #1 : In this example we can see that by using np.chebval() method, we are able to get the array of coefficients by evaluating x on chebyshev series. Python3 1=1 # import numpy import numpy as np import numpy.polynomial.chebyshev as cheb # using np.chebval() method gfg = cheb.chebval((2, 5), (2, -4, 1)) print(gfg) Output : [ 1. 31.] Example #2 : Python3 1=1 # import numpy import numpy as np import numpy.polynomial.chebyshev as cheb # using np.chebval() method gfg = cheb.chebval((1, 3, 5, 7), (2, -4, 1, 5, 1)) print(gfg) Output : [5.0000e+00 1.0790e+03 7.2570e+03 2.5643e+04] Comment More infoAdvertise with us Next Article Python | Numpy np.chebval2d() method J jitender_1998 Follow Improve Article Tags : Technical Scripter Python Python-numpy Practice Tags : python Similar Reads Python | Numpy np.chebval2d() method With the help of np.chebval2d() method, we can get the array of coefficients after evaluation on (x, y) on chebyshev series by using np.chebval2d() method. Syntax : np.chebval2d(x, y, c) Return : Return an array after evaluation on (x, y). Example #1 : In this example we can see that by using np.che 1 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 Python | Numpy np.chebdiv() method With the help of np.chebdiv() method, we can get the division of two Chebyshev series by using np.chebdiv() method. Syntax : np.chebdiv(s1, s2) Return : Return an array after division. Example #1 : In this example we can see that by using np.chebdiv() method, we are able to get the division of two c 1 min read Python | Numpy np.chebmul() method With the help of np.chebmul() method, we can get the multiplication of two Chebyshev series by using np.chebmul() method. Syntax : np.chebmul(s1, s2) Return : Return an array after multiplication. Example #1 : In this example we can see that by using np.chebmul() method, we are able to get the multi 1 min read Python | Numpy np.chebadd() method With the help of np.chebadd() method, we can get the addition of two Chebyshev series by using np.chebadd() method. Syntax : np.chebadd(s1, s2) Return : Return an array after addition. Example #1 : In this example we can see that by using np.chebadd() method, we are able to get the addition of two c 1 min read Python | Numpy np.chebmulx() method With the help of np.chebmulx() method, we can get the multiplication of Chebyshev series with independent variable x by using np.chebmulx() method. Syntax : np.chebmulx(s1) Return : Return an array after multiplication with x. Example #1 : In this example we can see that by using np.chebmulx() metho 1 min read Like