学习机器学习的好书。Tom.M.Mitchell著,中文版,由曾华军等人翻译此书非常好,把BP原理讲得非常透彻,由其是误差的公式推导,比别的书都说得清楚一点-Learning machine learning books. Tom.M.Mitchell, Chinese edition, by Ceng Huajun et al. Translate the book is very good, the principle of BP speaks very thorough, the erro