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左移运算符重载 可以输出自定义数据类型 #include <iostream> using namespace std; class Person{ friend ostream& operator<<(ostream& out,Person &p); public: Person(int a, i 阅读全文
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###1.加号运算符重载 实现自定义数据类型的加运算 #include <iostream> using namespace std; class Person { public: int m_A, m_B; //1.成员函数重载+号 Person operator+(const Person &p 阅读全文
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A、Introduction of Numpy 1.Numpy Numeric python package provides basic routines for manipulating large arrays and matrices of numeric data. 2. Importin 阅读全文