File list (Check if you may need any files):
learningWithBackpropagation\checkNNGradients.m
...........................\computeNumericalGradient.m
...........................\debugInitializeWeights.m
...........................\displayData.m
...........................\ex4.m
...........................\ex4weights.mat
...........................\fmincg.m
...........................\nnCostFunction.m
...........................\predict.m
...........................\randInitializeWeights.m
...........................\README.txt
...........................\sigmoid.m
...........................\sigmoidGradient.m
learningWithBackpropagation