数学建模:地貌图的完成
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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3 U! a7 o$ D b3 x7 [% s: ^7 E
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1、首先打开MATLAB软件,在其主界面的编辑器中写入下列代码:( v" m& m! g. Y* j
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[x,y] = meshgrid(1:10); %构造测量网格
5 g7 `# {8 V( v0 S! t1 F7 p* N1 ]h = [0,0.02,-0.12,0,-2.09,0,-0.58,-0.08,0,0;...
& B& @+ O3 N2 p" h 0.02,0,0,-2.38,0,-4.96,0,0,0,-0.1;...! a5 K5 v; w* z- t. C- }0 D+ L+ ~
0,0.1,1,0,-3.04,0,-0.53,0,0.1,0;...
& `5 b5 v5 [7 i) }" M 0,0,0,3.52,0,0,0,0,0,0;...6 e+ h" G: _3 O- F8 `
-0.43,-1.98,0,0,0,0.77,0,2.17,0,0;...' H! Z" R6 D( U J) M8 U
0,0,-2.29,0,0.69,0,2.59,0,0.3,0;...4 r4 U. @$ w8 {8 \- o
-0.09,-0.31,0,0,0,4.27,0,0,0,-0.01;...
& l$ c$ Y: o% | j 0,0,0,5.13,7.4,0,1.89,0,0.04,0;...) P, h0 n) b. w1 |" p% S
0.1,0,0.58,0,0,1.75,0,-0.11,0,0;...
6 T, f5 D( j2 C. [ 0,-0.01,0,0,0.3,0,0,0,0,0.01]; %测量数据点 e) l' ^0 U' ^3 Z' K
[xi,yi] = meshgrid(1:0.1:10); %构造插值网格
; e+ @9 `4 ^7 C r ]hi = interp2(x,y,h,xi,yi,'spline'); %二维插值命令
, }5 f8 `0 Q+ z8 O+ n9 fsurf(hi); %画出地貌图& Z; T1 p* {! d$ r3 ~% D' p
xlabel('X'),ylabel('Y'),zlabel('H'); %添加坐标轴名称" r% |% r. S1 ?
0 u( U# E5 |3 c, E+ o9 E2、命名保存好之后,直接点击运行按钮,结果如下所示:
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- n% q+ g. G: ]( B$ X至此,关于地貌图的绘制基本介绍完毕,请大家继续关注!!!2 s: ^4 u& A( k% c. G
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