追逐游戏MATLAB
函数zd501951828
%追逐游戏
% u=5时解微分方程
[t,Y] = ode45(@ode,[0 7.1],[0;0;0], [], 5);
Q = Y(:,1);
x 1 = 10+20 * cos(Q);
y 1 = 20+5 * sin(Q);
x2 = Y(:,2);
y2 = Y(:,3);
% u=20时解微分方程
[t,Y] = ode45(@ode,[0 1.9],[0;0;0], [], 20);
x3 = Y(:,2);
y3 = Y(:,3);
%绘制轨迹
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绘图(x1,y1,' b:',x2,y2,' r:',x3,y3,' m:')
图例(' v = 1 ',' u = 5 ',' u = 20 ',4)
函数dY = ode(t,Y,u)
%追逐博弈的微分方程
q = Y(1);
x 1 = 10+20 * cos(Q);
y 1 = 20+5 * sin(Q);
x2 = Y(2);
y2 = Y(3);
Q2 = atan2(y1-y2,x 1-x2);
dx2 = u * cos(Q2);
dy2 = u * sin(Q2);
dq = 1/sqrt((-20*sin(q))^2+(5*cos(q))^2);
dY =[dQ;dx2dy2];