File list (Check if you may need any files):
machine-learning-ex5
....................\ex5
....................\...\ex5.m
....................\...\ex5data1.mat
....................\...\featureNormalize.m
....................\...\fmincg.m
....................\...\learningCurve.m
....................\...\lib
....................\...\...\jsonlab
....................\...\...\.......\AUTHORS.txt
....................\...\...\.......\ChangeLog.txt
....................\...\...\.......\LICENSE_BSD.txt
....................\...\...\.......\README.txt
....................\...\...\.......\jsonopt.m
....................\...\...\.......\loadjson.m
....................\...\...\.......\loadubjson.m
....................\...\...\.......\mergestruct.m
....................\...\...\.......\savejson.m
....................\...\...\.......\saveubjson.m
....................\...\...\.......\varargin2struct.m
....................\...\...\makeValidFieldName.m
....................\...\...\submitWithConfiguration.m
....................\...\...\xxNumToHexStr.m
....................\...\linearRegCostFunction.m
....................\...\plotFit.m
....................\...\polyFeatures.m
....................\...\submit.m
....................\...\token.mat
....................\...\trainLinearReg.m
....................\...\validationCurve.m
....................\ex5.pdf