use the vectorization to accelerate the calculation#1
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comeonsunny wants to merge 1 commit intoY1ran:masterfrom
Open
use the vectorization to accelerate the calculation#1comeonsunny wants to merge 1 commit intoY1ran:masterfrom
comeonsunny wants to merge 1 commit intoY1ran:masterfrom
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% ====================== YOUR CODE HERE ======================
% Instructions: Compute the cost of a particular choice of theta
% You should set J to the cost.
sum = 0;
temp_cost = X * theta - y;
for i = 1:m
sum = sum + temp_cost(i)^2;
end
J = (1/(2*m))*sum;
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% ====================== YOUR CODE HERE ======================
% Instructions: Compute the cost of a particular choice of theta
% You should set J to the cost.
sum = 0;
temp_cost = X * theta - y;
for i = 1:m
sum = sum + temp_cost(i)^2;
end
J = (1/(2*m))*sum;