F=10.55/23.686;A=1*10^(-4);B=5.275*10^16/18.22;C=1.113025*10^22/331.9684;D=1.055*10^11/9.11;E=5*10^5;G=5*10^5;u=1.3*10^10;dy/dt=[F*(D*y(1)*t/u*cos(B*y(1)*t*u/(u^2+C*t^2))-A*sin(B*y(1)*t*u/(u^2+C*t^2))+1/2*D*t/u*(y(1)-G)*exp(E*y(1)/(1+C*t^2/u^2))+1/2*D*t/u*(y(1)+G)*exp(-E*y(1)/(1+C*t^2/u^2)))*(1+C*t^2/u^2)^(-1)*(exp(E*y(1)/(1+C*t^2/u^2))+exp(-E*y(1)/(1+C*t^2/u^2))+2*cos(B*y(1)*t*u/(u^2+C*t^2)))^(-1)];怎么画出y（t）的图像，程序怎么写？

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