前置条件
public class Shop {private final String name;private final Random random;public Shop(String name) {this.name name;random new Random(name.charAt(0) * name.charAt(1) * name.charAt(2));}public double getPrice(String product) {return calculatePrice…
4.1 通俗讲解机器学习是什么
4.1.1 究竟什么是机器学习
卡内基梅隆大学机器学习领域的著名学者汤姆米切尔曾经在 1997 年对机器学习做出过更为严谨和经典的定义:
A program can be said to learn from experience E with respect to some class of tasks T and performance …