机器学习经典书籍，迈向高手必读的进阶类书籍。书中包涵大量理论知识及数学推导（尤其是习题），有助于了解机器学习各种方法背后的本质思想。(Machine learning classic books, advanced books must go to the master. The book contains a large number of theoretical knowledge and mathematical derivation (especially the exercises),