clc
clear
close all
for j=0.15:0.05:0.95
h=dsolve(*Dx=(20*x-30)x*(1-x)*,[*x(0)=*,num2str(j)]);
ezplot(h)
hold on
end
xlabel(*t(0<t<3)*)
ylabel(*x(0<x<1)*)
title(*dx/dt=(20*x-30)x*(1-x) (0<t<3)*)
axis([0 3 0 1])
以上程序能画出dxdt=(2x-1)*x*(1-x)的图像但是20X-30就画不出一直提示??? Error using ==> dsolve
Error, (in dsolve/IC) The *implicit* option is not available when giving Initial Conditions.
求大神解惑
clear
close all
for j=0.15:0.05:0.95
h=dsolve(*Dx=(20*x-30)x*(1-x)*,[*x(0)=*,num2str(j)]);
ezplot(h)
hold on
end
xlabel(*t(0<t<3)*)
ylabel(*x(0<x<1)*)
title(*dx/dt=(20*x-30)x*(1-x) (0<t<3)*)
axis([0 3 0 1])
以上程序能画出dxdt=(2x-1)*x*(1-x)的图像但是20X-30就画不出一直提示??? Error using ==> dsolve
Error, (in dsolve/IC) The *implicit* option is not available when giving Initial Conditions.
求大神解惑