最小二乘法直线拟合
https://blog.csdn.net/Naruto_ahu/article/details/8694366?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522165484779916781483746160%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=165484779916781483746160&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_ecpm_v1~rank_v31_ecpm-1-8694366-null-null.nonecase&utm_term=%E6%9C%80%E5%B0%8F%E4%BA%8C%E4%B9%98&spm=1018.2226.3001.4450
https://zhuanlan.zhihu.com/p/363278784
https://blog.csdn.net/owen7500/article/details/51103620
https://matongxue.blog.csdn.net/article/details/81127117?spm=1001.2101.3001.6650.12&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-12-81127117-blog-119275174.pc_relevant_antiscanv4&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-12-81127117-blog-119275174.pc_relevant_antiscanv4&utm_relevant_index=16
https://blog.csdn.net/liuxiangxxl/article/details/78836974?spm=1001.2101.3001.6650.11&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7Edefault-11-78836974-blog-51103620.pc_relevant_blogantidownloadv1&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7Edefault-11-78836974-blog-51103620.pc_relevant_blogantidownloadv1&utm_relevant_index=14
https://blog.csdn.net/pl20140910/article/details/51926886?spm=1001.2101.3001.6650.14&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7Edefault-14-51926886-blog-119275174.pc_relevant_antiscanv4&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7Edefault-14-51926886-blog-119275174.pc_relevant_antiscanv4&utm_relevant_index=18
https://blog.csdn.net/qq_36251561/article/details/88020558?spm=1001.2101.3001.6650.8&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7Edefault-8-88020558-blog-119275174.pc_relevant_antiscanv4&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7Edefault-8-88020558-blog-119275174.pc_relevant_antiscanv4&utm_relevant_index=12
二次曲线
https://blog.csdn.net/frustratd/article/details/80968772
