数学建模:地貌图的完成
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; m* r- k4 s( k3 J# y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" P% J( \: a) k& t8 D
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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:
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[x,y] = meshgrid(1:10); %构造测量网格
# _4 [/ V0 W" R7 M, Xh = [0,0.02,-0.12,0,-2.09,0,-0.58,-0.08,0,0;..., h1 {* J8 G: F" A5 N. ~ c
0.02,0,0,-2.38,0,-4.96,0,0,0,-0.1;...
3 h. ^$ E3 G$ V8 B 0,0.1,1,0,-3.04,0,-0.53,0,0.1,0;...
. u& C8 F E! k0 L4 w 0,0,0,3.52,0,0,0,0,0,0;...& S4 m$ T. t& a2 o+ e0 V6 s
-0.43,-1.98,0,0,0,0.77,0,2.17,0,0;...2 v8 O7 H- h* H( n) J
0,0,-2.29,0,0.69,0,2.59,0,0.3,0;...: ^4 g" {/ ]" ` A
-0.09,-0.31,0,0,0,4.27,0,0,0,-0.01;...
5 [) C1 t; }) q7 u! |; C5 q! l 0,0,0,5.13,7.4,0,1.89,0,0.04,0;...1 C4 ]3 b' r" k1 ]' v- H) x
0.1,0,0.58,0,0,1.75,0,-0.11,0,0;...
/ |/ h& v9 c3 D5 J6 ~ 0,-0.01,0,0,0.3,0,0,0,0,0.01]; %测量数据点
/ i; ~6 V* S5 ^ M8 {3 X. I* l" I[xi,yi] = meshgrid(1:0.1:10); %构造插值网格8 g8 r1 w. y* d: y
hi = interp2(x,y,h,xi,yi,'spline'); %二维插值命令
) B9 v2 E3 U$ n0 zsurf(hi); %画出地貌图9 [/ U' n" L) o: f" P
xlabel('X'),ylabel('Y'),zlabel('H'); %添加坐标轴名称1 d9 O6 }; k8 b
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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:
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+ ]* m& p/ H. r2 w1 u至此,关于地貌图的绘制基本介绍完毕,请大家继续关注!!!
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