Question

matlab已知（x,y,z）怎么绘制三维图？

A=[320.828,252.096,0.11;
361.575,267.177,-0.938;
409.569,285.214,-1.942;
458.277,306.948,-2.674;
503.551,328.846,-3.317;
550.049,347.341,-2.637;
597.687,367.602,-1.867;

339.06,209.962,0.864;
379.01,227.492,-0.326;
427.04,247.168,-1.396;
471.348,266.071,-1.832;
519.821,284.587,-1.568;
567.854,303.529,-1.036;
615.648,324.894,-0.275;

355.62,162.829,3.322;
398.478,180.974,1.2;
445.622,196.952,0.249;
490.412,218.16,-0.087;
537.453,235.33,.252;
584.854,252.923,0.923;
632.296,273.541,1.843;

373.693,115.002,3.395；
418.345,129.671,1.582；
464.004,149.657,1.056；
511.759,166.325,1.027;
556.354,185.45,1.679;
603.348,204.702,2.196;
652.954,222.549,3.185;

394.402,68.637,0.709;
429.261,84.498,-0.439;
477.656,104.594,-1.358;
527.641,122.426,-1.686;
572.94,140.83,-1.362;
617.256,162.958,-0.581;
669.806,181.644,0.258;

412.407,25.044,-2.133;
453.481,39.407,-3.365;
499.727,58.788,-4.177;
546.36,77.746,-4.588;
592.386,97.137,-4.393;
642.312,114.828,-3.992;
689.971,135.511,-3.136;

430.245,-18.916,-5.341;
473.176,-1.813,-6.306;
519.164,17.54,-7.027;
565.587,36.433,-7.445;
611.737,55.21,-7.369;
657.802,74.13,-7.196;
706.522,92.442,-6.63];

Answer 1

你这是第一列是x，第二列是y，第三列是z？
如果是，你只能画出三维折线。
用plot3(A(:,1),A(:,2),A(:,3))

Answer 2

[a]=meshgrid[A]