untitled10.m

最近一段数学建模源程序汇编,适用于建模初学者练习

x=linspace(0,4*pi,100);                %将[0，4pi]区间100等分，产生了一个100维向量。
y=sin(x);                              %计算函数值，产生了一个与x同维的100维函数向量y。
y1=sin(x).^2;                          %计算函数向量，注意元素群运算。
y2=exp(-x).*sin(x);
%以x为横坐标，y为纵坐标画函数的图形，用不同的线形将函数曲线绘制在一个图上。
plot(x,y,'-',x,y1,'-',x,y2,'.-')
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Vwind=[5 6 7 8 9 10];
% S：水平射程矩阵（因水速不同而不同水速）
S(1,:)=[0.8647 1.2248 1.6504 2.1415 2.6981 3.3202];
S(2,:)=[1.3850 1.9746 2.6715 3.4755 4.3868 5.4052];
S(3,:)=[2.4747 3.5444 4.8085 6.6272 7.9204 9.7681];
S(4,:)=[5.1724 7.4298 10.0977 13.1760 16.6647 20.5639];
S(5,:)=[14.0485 20.2122 27.4966 35.9017 45.4274 56.0738];
plot(Vwind,S)
grid on;
title('不同风速与水速条件下喷泉射程变化图')
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