演化博弈matlab程序与作图

%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

Y-X图像

dx/dt-t图像

dy/dt-t图像

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