Python | Numpy np.chebfit() method Last Updated : 11 Nov, 2019 Summarize Comments Improve Suggest changes Share Like Article Like Report With the help of np.chebfit() method, we can get the least square fit of chebyshev series by using np.chebfit() method. Syntax : np.chebfit(x, y, degree) Return : Return the array of chebyshev series coefficient values. Example #1 : In this example we can see that using np.chebfit() method, we are able to get the least square fit of chebyshev series using this method. Python3 1=1 # import numpy import numpy as np import numpy.polynomial.chebyshev as cheb # using np.chebfit() method gfg = cheb.chebfit((4, -5), (5, 7), 1) print(gfg) Output : [5.88888889, -0.22222222] Example #2 : Python3 1=1 # import numpy import numpy as np import numpy.polynomial.chebyshev as cheb # using np.chebfit() method gfg = cheb.chebfit((-3, 4, 10), (1, 2, 3), 3) print(gfg) Output : [1.39458146e+00 1.41166773e-01 1.53673202e-03 -2.82264138e-05] Comment More infoAdvertise with us Next Article Python | Numpy np.chebmul() method J jitender_1998 Follow Improve Article Tags : Technical Scripter Python Python-numpy Practice Tags : python Similar Reads Python | Numpy np.chebint() method With the help of np.chebint() method, we can get the integration value of chebyshev series in the form of an array having value of coordinates using np.chebint() method. Syntax : np.chebint(series, value) Return : Return an array having coordinates of series after integration. Example #1 : In this e 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.chebval() method 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 a 1 min read Python | Numpy np.chebsub() method With the help of np.chebsub() method, we can get the subtraction of two Chebyshev series by using np.chebsub() method. Syntax : np.chebsub(s1, s2) Return : Return an array after subtraction. Example #1 : In this example we can see that by using np.chebsub() method, we are able to get the subtraction 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.chebpow() method With the help of np.chebpow() method, we can get the power of Chebyshev series by using np.chebpow() method. Syntax : np.chebpow(s1, power) Return : Return an array after power the series. Example #1 : In this example we can see that by using np.chebpow() method, we are able to get the power of cheb 1 min read Like