# -*- coding: utf-8 -*- """ Created on Fri May 26 21:47:54 2023 @author: sleepy student """ import numpy as np jiedian = [] lujing = np.array([[0,1.5,1.6,4,35,44,12,10,24,37,39,33,139,26,16,12,39,49,12,33,28], [1.5,0,3,2.8,33,43,13,12,23,44,37,31,137,25,15,10,37,48,14,31,27], [1.6,3,0,5,33,45,12,10,25,41,36,31,137,25,17,12,37,49,12,31,26], [4,2.8,5,0,34,43,13,13,23,41,38,32,138,26,15,12,38,51,16,30,27], [35,33,33,34,0,43,47,32,33,41,28,7,131,22,25,26,28,50,43,13,13], [44,43,45,43,43,0,54,46,25,73,59,37,108,26,30,34,60,26,57,27,28], [12,13,12,13,47,54,0,17,32,39,36,43,149,36,25,23,42,59,8,41,37], [10,12,10,13,32,46,17,0,32,34,26,31,137,27,25,21,27,58,12,29,22], [24,23,25,23,33,25,32,32,0,64,43,22,120,8,18,20,47,38,41,15,17], [37,44,41,41,41,73,39,34,64,0,29,48,156,53,57,55,29,80,35,46,44], [39,37,36,38,28,59,36,26,43,29,0,24,145,35,44,41,7,72,30,31,28], [33,31,31,32,7,37,43,31,22,48,24,0,122,18,21,22,27,46,39,9,10], [139,137,137,138,131,108,149,137,120,156,145,122,0,117,126,131,145,100,148,115,117], [26,25,25,26,22,26,36,27,8,53,35,18,117,0,11,13,41,35,33,10,9], [16,15,17,15,25,30,25,25,18,57,44,21,126,11,0,11,41,35,33,10,9], [12,10,12,12,26,34,23,21,20,55,41,22,131,13,11,0,18,40,25,21,18], [39,37,37,38,28,60,42,27,47,29,7,27,145,41,41,18,0,69,33,34,33], [49,48,49,51,50,26,59,58,38,80,72,46,100,35,35,40,69,0,60,38,38], [12,14,12,16,43,57,8,12,41,35,30,39,148,33,33,25,33,60,0,36,34], [33,31,31,30,13,27,41,29,15,46,31,9,115,10,10,21,34,38,36,0,5], [28,27,26,27,13,28,37,22,17,44,28,10,117,9,9,18,33,38,34,5,0]]) for i in range(21): lujing[i][i] = 1e9 x = 0 changdu = [] while len(jiedian)<21: min = 1e9 miny = 0 for j in range(21): if lujing[x][j]<min: min = lujing[x][j] miny = j if miny not in jiedian: if x not in jiedian: jiedian.append(x) jiedian.append(miny) changdu.append(lujing[x][miny]) x = miny else: lujing[x][miny] = 1e9 将以上代码转为matlab代码

以下是将你提供的代码转换为 MATLAB 代码的版本：

jiedian = [];
lujing = [0,1.5,1.6,4,35,44,12,10,24,37,39,33,139,26,16,12,39,49,12,33,28;
          1.5,0,3,2.8,33,43,13,12,23,44,37,31,137,25,15,10,37,48,14,31,27;
          1.6,3,0,5,33,45,12,10,25,41,36,31,137,25,17,12,37,49,12,31,26;
          4,2.8,5,0,34,43,13,13,23,41,38,32,138,26,15,12,38,51,16,30,27;
          35,33,33,34,0,43,47,32,33,41,28,7,131,22,25,26,28,50,43,13,13;
          44,43,45,43,43,0,54,46,25,73,59,37,108,26,30,34,60,26,57,27,28;
          12,13,12,13,47,54,0,17,32,39,36,43,149,36,25,23,42,59,8,41,37;
          10,12,10,13,32,46,17,0,32,34,26,31,137,27,25,21,27,58,12,29,22;
          24,23,25,23,33,25,32,32,0,64,43,22,120,8,18,20,47,38,41,15,17;
          37,44,41,41,41,73,39,34,64,0,29,48,156,53,57,55,29,80,35,46,44;
          39,37,36,38,28,59,36,26,43,29,0,24,145,35,44,41,7,72,30,31,28;
          33,31,31,32,7,37,43,31,22,48,24,0,122,18,21,22,27,46,39,9,10;
          139,137,137,138,131,108,149,137,120,156,145,122,0,117,126,131,145,100,148,115,117;
          26,25,25,26,22,26,36,27,8,53,35,18,117,0,11,13,41,35,33,10,9;
          16,15,17,15,25,30,25,25,18,57,44,21,126,11,0,11,41,35,33,10,9;
          12,10,12,12,26,34,23,21,20,55,41,22,131,13,11,0,18,40,25,21,18;
          39,37,37,38,28,60,42,27,47,29,7,27,145,41,41,18,0,69,33,34,33;
          49,48,49,51,50,26,59,58,38,80,72,46,100,35,35,40,69,0,60,38,38;
          12,14,12,16,43,57,8,12,41,35,30,39,148,33,33,25,33,60,0,36,34;
          33,31,31,30,13,27,41,29,15,46,31,9,115,10,10,21,34,38,36,0,5;
          28,27,26,27,13,28,37,22,17,44,28,10,117,9,9,18,33,38,34,5,0];

for i = 1:21
    lujing(i,i) = 1e9;
end

x = 1;
changdu = [];

while length(jiedian) < 21
    min = 1e9;
    miny = 0;
    
    for j = 1:21
        if lujing(x,j) < min
            min = lujing(x,j);
            miny = j;
        end
    end
    
    if ~ismember(miny, jiedian)
        if ~ismember(x, jiedian)
            jiedian = [jiedian, x];
        end
        
        jiedian = [jiedian, miny];
        changdu = [changdu, lujing(x,miny)];
        x = miny;
    else
        lujing(x,miny) = 1e9;
    end
end

这个 MATLAB 版本的代码应该与你提供的 Python 版本代码执行的结果是相同的。