dmichael · November 1, 2011 03:22
diff --git a/gistfile1.matlab b/gistfile1.matlab
 function g = sigmoid(z)
  % Compute the sigmoid of z. 
  % z can be a matrix, vector or scalar.
  g = 1.0 ./ (1.0 + exp(-z));
  % 1./ (1 + e.^-z); <-- this is equivalent
 end

 hypothesis = sigmoid(X*theta);
	function g = sigmoid(z)
	% Compute the sigmoid of z.
	% z can be a matrix, vector or scalar.
	g = 1.0 ./ (1.0 + exp(-z));
	% 1./ (1 + e.^-z); <-- this is equivalent
	end

	hypothesis = sigmoid(X*theta);
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