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ndarray数组基本知识import numpy as npndarray instance properties(实例属性)ndim 维数 itemsize 元素占用的字节数 dtype 元素类型 shape形状x=np.array([1,2,3,4]) y=np.array([[1,2,3,4],[5,6,7]]) z=np.array([[1,2,3,4],[2,3,4,5]]) pr

// Dijkstra.cpp: 定义控制台应用程序的入口点。//#include "stdafx.h"#include <stdio.h>#include <stdlib.h>#include<limits.h>void Dijkstra(int n, int v, int distance[], int previous[], int **G)//distance 为起点到这个点的最短

1.安装依赖包sudo apt-get update sudo apt-get install build-essential python-dev python-setuptools python-pip python-smbus sudo apt-get install build-essential libncursesw5-dev libgdbm-dev libc6-dev ...