数学建模:地貌图的完成: M: h& i9 e8 _( x f: F0 N1 P
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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$ A# h5 r' y/ ?) L
% e; q0 e) a4 r0 }4 Z1、首先打开MATLAB软件,在其主界面的编辑器中写入下列代码:
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[x,y] = meshgrid(1:10); %构造测量网格
$ b* L" u' {2 }1 y1 p- Ih = [0,0.02,-0.12,0,-2.09,0,-0.58,-0.08,0,0;...
5 q! t7 i- V; R7 K 0.02,0,0,-2.38,0,-4.96,0,0,0,-0.1;...- d) Z1 _+ V# W
0,0.1,1,0,-3.04,0,-0.53,0,0.1,0;...
6 M' K' I2 a& H1 _! Y 0,0,0,3.52,0,0,0,0,0,0;...! x( s5 B/ t( J9 B: t6 ?
-0.43,-1.98,0,0,0,0.77,0,2.17,0,0;...& V" O3 _! n0 X) E7 r8 S# M: G
0,0,-2.29,0,0.69,0,2.59,0,0.3,0;...8 R f1 [ `9 w( a: r8 q3 k
-0.09,-0.31,0,0,0,4.27,0,0,0,-0.01;...
& J9 E( ^- K5 z4 O 0,0,0,5.13,7.4,0,1.89,0,0.04,0;...4 q9 ] p& B# V" b- E5 o
0.1,0,0.58,0,0,1.75,0,-0.11,0,0;...
F3 u) d1 Z1 R6 o7 R3 ?% W/ v 0,-0.01,0,0,0.3,0,0,0,0,0.01]; %测量数据点
% P; | S1 t4 H[xi,yi] = meshgrid(1:0.1:10); %构造插值网格% a, ?" ?+ N( Y! X" W3 e
hi = interp2(x,y,h,xi,yi,'spline'); %二维插值命令
; m9 A9 s M# {' ]( z: Y; Z, Y vsurf(hi); %画出地貌图
6 T# L5 X) C P, H% Bxlabel('X'),ylabel('Y'),zlabel('H'); %添加坐标轴名称
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2、命名保存好之后,直接点击运行按钮,结果如下所示:2 C0 s: c X `. ^+ H( Y
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至此,关于地貌图的绘制基本介绍完毕,请大家继续关注!!!, @6 Q' h' C9 C
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