%建立第一級(jí)、第二級(jí)最小樹(shù)
%完成第一問(wèn)
%最短里程是524.5819，第一級(jí)120.9412，第二級(jí)403.6407
clear;%清除工作區(qū)變量
clc;%清屏
close?all;%關(guān)閉所有圖形窗口

%P139和V11重疊
A_x?=?26;
A_y?=?31;

V_x?=?[5?8?10?13?17	20	25	31	35	36	41	45];
V_y?=?[33?9	24	34	23	10	47	18	42	25	31	38];

P_x=[41	40	38	38	33	31	33	28	24	21	22	28	43	44	25	21	22	24	37	38?...
????37	14	16	14	18	12	15	20	13	16	21	26	28	27	29	29	36	41	39	27?...	
????23	20	16	22	40	42	37	35	35	35	34	26	27	31	31	31	28	27	24	26?...	
????13	17	21	18	21	13	14	12	10	16	18	24	25	24	24	21	17	10??9	7??...	
????4	5	2	7	7	1	2	3	2	4	5	6	9	2	7	3	3	10	17	20?...	
????24	22	21	27	26	9	12	14	19	14	13	9	2	6	7	6	5	5	16	26?...	
????29	31	28	20	17	15	21	24	26	25	15	15	10	38	37	33	40	44	41	33?...	
????32	40	42	45	29	31	30	31	35	40	40	37	35	43	45	37	35	33	37	39?...	
????41	43	47	46	42	48	42	4

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????3627??2020-08-03?14:26??自來(lái)水管道鋪設(shè)問(wèn)題代碼\Question_1.m

?????文件???????3836??2020-08-03?14:31??自來(lái)水管道鋪設(shè)問(wèn)題代碼\Question_2_1.m

?????文件???????6168??2020-08-03?15:20??自來(lái)水管道鋪設(shè)問(wèn)題代碼\Question_2_2.m

?????文件???????5191??2020-08-03?15:23??自來(lái)水管道鋪設(shè)問(wèn)題代碼\Question_3_1.m

?????文件???????7277??2020-08-03?15:29??自來(lái)水管道鋪設(shè)問(wèn)題代碼\Question_3_2.m

?????文件???????6178??2020-08-03?15:31??自來(lái)水管道鋪設(shè)問(wèn)題代碼\Question_3_3.m

?????文件????????317??2020-08-03?15:32??自來(lái)水管道鋪設(shè)問(wèn)題代碼\說(shuō)明.txt

?????目錄??????????0??2020-08-03?15:33??自來(lái)水管道鋪設(shè)問(wèn)題代碼

-----------?---------??----------?-----??----

????????????????32594????????????????????8