用Matlab画有参数的微分方程的图（logistic 模型

你好同学，这道题已经回答了

N = 1000;
x0 = 200;
C = N/x0-1;
k = 0.001;
t = linspace(0,10,101);
x = N./(1+C*exp(-N*k*t));
plot(t,x)