数学建模:地貌图的完成! P3 Z0 h* c* e2 t, Y8 l
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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
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3 h1 k) R( j$ Z r3 {6 c1、首先打开MATLAB软件,在其主界面的编辑器中写入下列代码:4 ^4 G/ _8 }' k- h
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[x,y] = meshgrid(1:10); %构造测量网格* {( S. G7 R; r6 e8 W
h = [0,0.02,-0.12,0,-2.09,0,-0.58,-0.08,0,0;...# f9 Y( p; ?# k/ K3 [4 o. t) {! |. `
0.02,0,0,-2.38,0,-4.96,0,0,0,-0.1;...
3 o. N* j6 |1 o1 Q- r$ N" Q 0,0.1,1,0,-3.04,0,-0.53,0,0.1,0;...5 D# a5 n4 p g" G
0,0,0,3.52,0,0,0,0,0,0;...! r. l3 I% `4 {' J8 s: L- S6 }9 d
-0.43,-1.98,0,0,0,0.77,0,2.17,0,0;...
8 ~& F5 M; a* J3 [7 Q4 N 0,0,-2.29,0,0.69,0,2.59,0,0.3,0;...* h4 p9 [6 H' \; G" v
-0.09,-0.31,0,0,0,4.27,0,0,0,-0.01;...5 H. u& q" g% s
0,0,0,5.13,7.4,0,1.89,0,0.04,0;...# O( J9 W! g) B# ~0 {: C5 }
0.1,0,0.58,0,0,1.75,0,-0.11,0,0;...
4 N/ f6 o; {8 w1 V; X. y2 s; P4 R 0,-0.01,0,0,0.3,0,0,0,0,0.01]; %测量数据点7 c8 F# a- |+ I' Q; {
[xi,yi] = meshgrid(1:0.1:10); %构造插值网格( j. r, U" I" ~6 I
hi = interp2(x,y,h,xi,yi,'spline'); %二维插值命令
, \. {' e( a; P3 S0 H* G, `surf(hi); %画出地貌图
9 e0 [4 k) ~6 `- p4 L$ S4 B) Lxlabel('X'),ylabel('Y'),zlabel('H'); %添加坐标轴名称. v \- u; D+ \* a$ I
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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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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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