Python | Numpy np.hermvander() method
Last Updated :
29 Dec, 2019
With the help of np.hermvander()
method, we can get the pseudo vandermonde matrix from hermite series of given degree by using np.hermvander()
method.
Syntax : np.hermvander(x, deg)
Return : Return the pseudo vandermonde matrix of given degree.
Example #1 :
In this example we can see that by using np.hermvander()
method, we are able to get the pseudo vandermonde matrix of hermite series by using this method.
import numpy as np
from numpy.polynomial.hermite import hermvander
x = np.array([ 1 , 2 , 3 , 5 , 7 , 11 ])
deg = 2
gfg = hermvander(x, deg)
print (gfg)
|
Output :
[[ 1. 2. 2.]
[ 1. 4. 14.]
[ 1. 6. 34.]
[ 1. 10. 98.]
[ 1. 14. 194.]
[ 1. 22. 482.]]
Example #2 :
import numpy as np
from numpy.polynomial.hermite import hermvander
x = np.array([ 5 , 10 , - 10 , - 5 ])
deg = 3
gfg = hermvander(x, deg)
print (gfg)
|
Output :
[[ 1.00e+00 1.00e+01 9.80e+01 9.40e+02]
[ 1.00e+00 2.00e+01 3.98e+02 7.88e+03]
[ 1.00e+00 -2.00e+01 3.98e+02 -7.88e+03]
[ 1.00e+00 -1.00e+01 9.80e+01 -9.40e+02]]
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