Andrew Ng機器學習week4(Neural Networks: Representation)編程習題

* lrCostFunction.m * oneVsAll.m * predictOneVsAll.m ...

Andrew Ng機器學習week3(Regularization)編程習題

* sigmoid.m * costFunction.m * predict.m * costFunctionReg.m ...

Andrew Ng機器學習week5(Neural Networks: Learning)編程習題

* nnCostFunction.m * sigmoidGradient.m ...