Not enough input arguments
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im running below code in matlab online for my machine learning in coursera, can any one pls help for this error
function J = computeCostMulti(X, y, theta)
%COMPUTECOSTMULTI Compute cost for linear regression with multiple variables
% J = COMPUTECOSTMULTI(X, y, theta) computes the cost of using theta as the
% parameter for linear regression to fit the data points in X and y
% Initialize some useful values
m = length(y); % number of training examples
% You need to return the following variables correctly
J = 0;
% ====================== YOUR CODE HERE ======================
% Instructions: Compute the cost of a particular choice of theta
% You should set J to the cost.
J = (1/(2*m))*sum(((X*theta) - y).^2)
% =========================================================================
end
in command window the error is:
Not enough input arguments.
Error in computeCostMulti (line 7)
m = length(y); % number of training examples
回答（1 个）
madhan ravi
2020-7-14
Type the below in command window:
X = 1;
y = 2;
theta = 3;
J = computeCostMulti(X, y, theta)
doc function % please read it
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2020-7-14
2020-7-14
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