matlab中ode45的例子如何运行程序是:function dy = rigid(t,y)dy = zeros(3,1); % a column vectordy(1) = y(2) * y(3);dy(2) = -y(1) * y(3);dy(3) = -0.51 * y(1) * y(2);options = odeset('RelTol',1e-4,'AbsTol',[1e-4 1e-4 1e-5]);[T,Y] = ode45(@rig
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![matlab中ode45的例子如何运行程序是:function dy = rigid(t,y)dy = zeros(3,1); % a column vectordy(1) = y(2) * y(3);dy(2) = -y(1) * y(3);dy(3) = -0.51 * y(1) * y(2);options = odeset('RelTol',1e-4,'AbsTol',[1e-4 1e-4 1e-5]);[T,Y] = ode45(@rig](/uploads/image/z/5244970-58-0.jpg?t=matlab%E4%B8%ADode45%E7%9A%84%E4%BE%8B%E5%AD%90%E5%A6%82%E4%BD%95%E8%BF%90%E8%A1%8C%E7%A8%8B%E5%BA%8F%E6%98%AF%EF%BC%9Afunction+dy+%3D+rigid%28t%2Cy%29dy+%3D+zeros%283%2C1%29%3B+%25+a+column+vectordy%281%29+%3D+y%282%29+%2A+y%283%29%3Bdy%282%29+%3D+-y%281%29+%2A+y%283%29%3Bdy%283%29+%3D+-0.51+%2A+y%281%29+%2A+y%282%29%3Boptions+%3D+odeset%28%27RelTol%27%2C1e-4%2C%27AbsTol%27%2C%5B1e-4+1e-4+1e-5%5D%29%3B%5BT%2CY%5D+%3D+ode45%28%40rig)
matlab中ode45的例子如何运行程序是:function dy = rigid(t,y)dy = zeros(3,1); % a column vectordy(1) = y(2) * y(3);dy(2) = -y(1) * y(3);dy(3) = -0.51 * y(1) * y(2);options = odeset('RelTol',1e-4,'AbsTol',[1e-4 1e-4 1e-5]);[T,Y] = ode45(@rig
matlab中ode45的例子如何运行
程序是:function dy = rigid(t,y)
dy = zeros(3,1); % a column vector
dy(1) = y(2) * y(3);
dy(2) = -y(1) * y(3);
dy(3) = -0.51 * y(1) * y(2);
options = odeset('RelTol',1e-4,'AbsTol',[1e-4 1e-4 1e-5]);
[T,Y] = ode45(@rigid,[0 12],[0 1 1],options);
plot(T,Y(:,1),'-',T,Y(:,2),'-.',T,Y(:,3),'.')
matlab中ode45的例子如何运行程序是:function dy = rigid(t,y)dy = zeros(3,1); % a column vectordy(1) = y(2) * y(3);dy(2) = -y(1) * y(3);dy(3) = -0.51 * y(1) * y(2);options = odeset('RelTol',1e-4,'AbsTol',[1e-4 1e-4 1e-5]);[T,Y] = ode45(@rig
1、第一步将下面的文件命令保存为rigid.m的文件.
function dy = rigid(t,y)
dy = zeros(3,1); % a column vector
dy(1) = y(2) * y(3);
dy(2) = -y(1) * y(3);
dy(3) = -0.51 * y(1) * y(2);
2、在command窗口输入
options = odeset('RelTol',1e-4,'AbsTol',[1e-4 1e-4 1e-5]);
[T,Y] = ode45(@rigid,[0 12],[0 1 1],options);
plot(T,Y(:,1),'-',T,Y(:,2),'-.',T,Y(:,3),'.')