%函数
function dxdt=differential(t,x)
dxdt=[x(1)*(1-x(1))*(5-6*x(2));x(2)*(1-x(2))*(1-6*x(1))];
end
%主程序
clear
%y-x
for i=0:0.1:1
for j=0:0.1:1
[T,Y]=ode45('differential',[0 5],[i j]);
figure(1)
grid on
plot(Y(:,1),Y(:,2));
hold on
end
end
%dx/dt-t
for i=0:0.1:1
for j=0:0.1:1
[T,Y]=ode45('differential',[0 5],[i j]);
figure(2)
grid on
plot(T,Y(:,1));
hold on
end
end
%dy/dt-t
for i=0:0.1:1
for j=0:0.1:1
[T,Y]=ode45('differential',[0 5],[i j]);
figure(3)
grid on
plot(T,Y(:,2));
hold on
end
end
1. 把前四行保存成文件'differential.m'
2.把后面的保存成文件'XXX.m'，名称任意
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