Python | Numpy np.chebfromroots() method
Last Updated :
11 Nov, 2019
With the help of np.chebfromroots()
method, we can get the chebyshev series with the roots passed as parameter in np.chebfromroots()
method.
Syntax : np.chebfromroots(roots)
Return : Return the chebyshev series.
Example #1 :
In this example we can see that by using np.chebfromroots()
method, we are able to get the chebyshev series that is generated by roots those are passed by parameter.
import numpy as np
import numpy.polynomial.chebyshev as cheb
gfg = cheb.chebfromroots(( 2 , 4 , 8 , 1 ))
print (gfg)
|
Output :
[9.9375e+01 -1.3125e+02 3.5500e+01 -3.7500e+00 1.2500e-01]
Example #2 :
import numpy as np
import numpy.polynomial.chebyshev as cheb
gfg = cheb.chebfromroots(( - 3 , 4 , - 5 , 1 , 10 ))
print (gfg)
|
Output :
[-5.19125e+02 4.52375e+02 8.00000e+01 -1.24375e+01 -8.75000e-01 6.25000e-02]
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