数学建模:地貌图的完成% p, }$ z$ n+ t" i3 T7 |
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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2 w% W- }1 l2 n: f1 v
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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
5 q( j* \/ x% B$ P% k/ @, mh = [0,0.02,-0.12,0,-2.09,0,-0.58,-0.08,0,0;...
/ q" H- H/ m" c2 L' q3 ^: x3 x 0.02,0,0,-2.38,0,-4.96,0,0,0,-0.1;...
3 p- x7 g/ S7 N 0,0.1,1,0,-3.04,0,-0.53,0,0.1,0;...
7 a3 z0 h; d+ h 0,0,0,3.52,0,0,0,0,0,0;...( _; S8 L* s4 q4 F- ~1 Z
-0.43,-1.98,0,0,0,0.77,0,2.17,0,0;...7 l! a" j: N! x% H3 ]! Q$ x
0,0,-2.29,0,0.69,0,2.59,0,0.3,0;.../ H7 P8 O% s8 f- m* z$ j2 W
-0.09,-0.31,0,0,0,4.27,0,0,0,-0.01;...
7 x D+ e& V$ O' ^% [- d+ w, K: \ 0,0,0,5.13,7.4,0,1.89,0,0.04,0;...
9 I& M! i" V! k w( C6 y" r 0.1,0,0.58,0,0,1.75,0,-0.11,0,0;...
( }$ K, s9 j$ ]2 j6 F 0,-0.01,0,0,0.3,0,0,0,0,0.01]; %测量数据点
2 o- z8 p; d n+ l. G1 M* j( E[xi,yi] = meshgrid(1:0.1:10); %构造插值网格9 w; U& J+ v5 M/ J) h- @; R
hi = interp2(x,y,h,xi,yi,'spline'); %二维插值命令4 C! T9 P2 w8 x! i& G7 O
surf(hi); %画出地貌图
) X- D5 t' N" v7 r! M3 U# g: C( ?xlabel('X'),ylabel('Y'),zlabel('H'); %添加坐标轴名称6 O+ C7 z, n4 F5 z
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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:; K" a% ` P2 Z- y5 I
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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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