File list (Check if you may need any files):
ex2\bancodedados_X.mat
ex2\costFunction.m
ex2\costFunctionReg.m
ex2\ex2.m
ex2\ex2data1.txt
ex2\ex2data2.txt
ex2\ex2_reg.m
ex2\lib\jsonlab\AUTHORS.txt
ex2\lib\jsonlab\ChangeLog.txt
ex2\lib\jsonlab\jsonopt.m
ex2\lib\jsonlab\LICENSE_BSD.txt
ex2\lib\jsonlab\loadjson.m
ex2\lib\jsonlab\loadubjson.m
ex2\lib\jsonlab\mergestruct.m
ex2\lib\jsonlab\README.txt
ex2\lib\jsonlab\savejson.m
ex2\lib\jsonlab\saveubjson.m
ex2\lib\jsonlab\varargin2struct.m
ex2\lib\makeValidFieldName.m
ex2\lib\submitWithConfiguration.m
ex2\mapFeature.m
ex2\plotData.m
ex2\plotDecisionBoundary.m
ex2\predict.m
ex2\sigmoid.m
ex2\submit.m
ex2.pdf
ex2\lib\jsonlab
ex2\lib
ex2