ex2\displayData.m
...\ex3.m
...\ex3data1.mat
...\ex3weights.mat
...\ex3_nn.m
...\fmincg.m
...\lrCostFunction.m
...\oneVsAll.m
...\predict.m
...\predictOneVsAll.m
...\sigmoid.m
...\submit.m
...\submitWeb.m
ex2