Python Forum

import numpy as np
from scipy.optimize import minimize
import matplotlib.pyplot as plt
def lik(parameters):
    m=parameters[0]
    b=parameters[1]
    sigma=parameters[2]
    for i in np.arange(0,len(x)):
        y_exp=m*X+b
    L=(len(x)/2*np.log(2*np.pi)+len(x)/2*np.log(sigma**2)+1/(2*sigma**2)*sum((y-y_exp**2))
    
    return L
       
x=np.array([1,4,5,6,9])
y=np.array([2,6,7,9,15])
lik.model=minimize(lik,np.array([2,2,2]),method='L-BFGS-B')      

Error:
  
File "<ipython-input-26-561eb8deaa94>", line 9
    return L
         ^
SyntaxError: invalid syntax

Please clarify in resolving this error

I can see parenthesis is not closed for below statement in your code

L=(len(x)/2*np.log(2*np.pi)+len(x)/2*np.log(sigma**2)+1/(2*sigma**2)*sum((y-y_exp**2)))

Hope this is enough...

---

I can see parenthesis is not closed for below statement in your code

L=(len(x)/2*np.log(2*np.pi)+len(x)/2*np.log(sigma**2)+1/(2*sigma**2)*sum((y-y_exp**2)))

Hope this is enough...

Yes...now solved...Thank you