用MATLAB绘制中国省会城市地图：从数据到可视化的完整指南

地理数据可视化是数据分析中不可或缺的一环，它能将枯燥的数字转化为直观的空间分布图。对于学习MATLAB的学生和工程师来说，掌握如何在地图上标注城市位置是一项基础但极其实用的技能。本文将带你从零开始，使用MATLAB完成中国34个省级行政中心的地理坐标可视化全过程。

1. 准备工作：数据收集与环境配置

在开始绘制地图前，我们需要准备好两样东西：城市坐标数据和MATLAB的绘图环境。中国34个省级行政中心的经纬度数据已经整理如下：

matlab复制cities = {'北京','天津','上海','重庆','石家庄','太原','西安','济南','郑州','沈阳','长春','哈尔滨','南京','杭州','合肥','南昌','福州','武汉','长沙','成都','贵阳','昆明','广州','海口','兰州','西宁','台北','呼和浩特','乌鲁木齐','拉萨','南宁','银川','香港','澳门'};
lat = [39.904987,39.125595,31.231707,29.533155,38.045475,37.857014,34.263161,36.675808,34.757977,41.796768,43.886841,45.756966,32.041546,30.287458,31.861191,28.676493,26.075302,30.584354,28.19409,30.659462,26.578342,25.040609,23.125177,20.04422,36.06138,36.61729,25.030724,40.84149,43.82663,29.64415,22.82402,38.48644,22.27534,22.19875];
lon = [116.405289,117.190186,121.472641,106.504959,114.502464,112.549248,108.948021,117.000923,113.665413,123.429092,125.324501,126.642464,118.76741,120.15358,117.283043,115.892151,119.306236,114.298569,112.9