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Update cost function code #1

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Update cost function code #1

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7 changes: 4 additions & 3 deletions cost function code
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
#import
import csv
import math
import numpy as np
Expand All @@ -9,7 +10,7 @@ import csv




#cost funtion
def compute_cost(X, y, theta):
J = 0
A = np.subtract(np.dot(X, theta), y)
Expand All @@ -18,7 +19,7 @@ import csv




#gradient descent
def gradient_descent(X, y, theta, alpha, epsilon, flag):
J_hist = []
all_thetas0 = []
Expand Down Expand Up @@ -55,7 +56,7 @@ import csv




#main
def main(x_training, y_training):
x_training = x_training.T
y_training = y_training.T
Expand Down