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How to rectify this error,

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Reetu Singh
Reetu Singh 2019-4-24
评论： Reetu Singh 2019-4-24
Not enough input arguments.
Error in computeCost (line 3)
m = size(age,1);
the code is given below
function [J,grad] = computeCost(Theta,age,chol)
m = size(age,1);
age = [ones(m,1) age];
h = sigmoid(age * Theta);
J= -(1/m)*sum(y .* log(h) + (1-chol) .* log(1-h));
grad = zeros(size(Theta,1) ,1);
for i=1:size(grad),
grad(i)=(1/m)*sum( (h-chol)' * age(:,i));
end

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KSSV
KSSV 2019-4-24
Don't run the function usinf run/ F5. Give inputs and call it.
Theta = pi ;
age = 30. ;
chol = rand ;
[J,grad] = computeCost(Theta,age,chol) ;

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