线性回归器，基于MATLAB仿真

代码说明：

ex1.m - Octave script that will help step you through the exercise ex1 multi.m - Octave script for the later parts of the exercise ex1data1.txt - Dataset for linear regression with one variable ex1data2.txt - Dataset for linear regression with multiple variables submit.m - Submission script that sends your solutions to our servers [?] warmUpExercise.m - Simple example function in Octave [?] plotData.m - Function to display the dataset [?] computeCost.m - Function to compute the cost of linear regression [?] gradientDescent.m - Function to run gradient descent [y] computeCostMulti.m - Cost function for multiple variables [y] gradientDescentMulti.m - Gradient descent for multiple variables [y] featureNormalize.m - Function to normalize features [y] normalEqn.m - Function to compute the normal equations