下面来简单介绍一下关于数学建模中的一些基本建模基础:如何对一个地貌进行建模
1、首先打开MATLAB软件,在其主界面的编辑器中写入下列代码:
[x,y] = meshgrid(1:10); %构造测量网格
h = [0,0.02,-0.12,0,-2.09,0,-0.58,-0.08,0,0;...
0.02,0,0,-2.38,0,-4.96,0,0,0,-0.1;...
0,0.1,1,0,-3.04,0,-0.53,0,0.1,0;...
0,0,0,3.52,0,0,0,0,0,0;...
-0.43,-1.98,0,0,0,0.77,0,2.17,0,0;...
0,0,-2.29,0,0.69,0,2.59,0,0.3,0;...
-0.09,-0.31,0,0,0,4.27,0,0,0,-0.01;...
0,0,0,5.13,7.4,0,1.89,0,0.04,0;...
0.1,0,0.58,0,0,1.75,0,-0.11,0,0;...
0,-0.01,0,0,0.3,0,0,0,0,0.01]; %测量数据点
[xi,yi] = meshgrid(1:0.1:10); %构造插值网格
hi = interp2(x,y,h,xi,yi,'spline'); %二维插值命令
surf(hi); %画出地貌图
xlabel('X'),ylabel('Y'),zlabel('H'); %添加坐标轴名称
2、命名保存好之后,直接点击运行按钮,结果如下所示:
至此,关于地貌图的绘制基本介绍完毕,请大家继续关注!!!