I have a basic problem (I think)
I try to fit some data with this function
http://docs.scipy.org/doc/numpy/reference/generated/numpy.polynomial.Chebyshev.fit.html
But it return an error:
fit = chebyshev.fit(T,R,3)
NameError: name 'chebyshev' is not defined
I don't understand I've imported Numpy and polynomials... An Idea?
import math
from numpy import *
from numpy import polynomial
from pylab import *
from scipy import *
from scipy import optimize
import warnings
warnings.simplefilter('ignore', np.RankWarning)
R = [ 9011.5 , 7822.7 , 6253.9 , 4877.56 , 3892.08 ,
3221.41 , 2647.05,
2260.94 , 1959.72 , 1712.06 , 1522.28 , 1367.87 , 1242.953
, 1185.092,
1104.452 , 1031.862 , 919.8644 , 832.9942 , 767.8944 , 715.1569,
671.6301 , 635.1634 , 604.284 , 577.5536]
T = range(0,len(R))
plot (T,R,".")
show()
fit = chebyshev.fit(T,R,3)
print fit
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