How to plot an ODE?
显示 更早的评论
Silly question but how can I plot a simple ODE like the following?
My ODE is:
dy/dt=1-(t/n)-y
where n is an array
n=[1 2 3 5 Inf]
采纳的回答
Use for loop to solve equation 5 times for each n
n = [1 2 3 5 inf];
f = @(t,y,n) 1-t/n+y;
for i = 1:length(n)
[t,y] = ode45(f,[0 5],ic,[],n(i));
line(t,y)
end
6 个评论
Ameer Hamza
2020-5-3
编辑：Ameer Hamza
2020-5-3
This syntax of ode45 is obsolete and no longer documented. Using new documented syntax will avoid any confusion for the readers
n = [1 2 3 5 inf];
f = @(t,y,n) 1-t/n-y;
ic = 1;
for i = 1:length(n)
[t,y] = ode45(@(t,y) f(t,y,n(i)), [0 5], ic);
line(t,y)
end
Even for the obsolete syntax, the correct line is
[t,y] = ode45(f,[0 5], ic, [], n(i));
darova
2020-5-3
Don't know what you are talking about
Ameer Hamza
2020-5-3
Sorry!! I pasted the wrong code.
Carlos Ojeda
2020-5-3
darova
2020-5-3
Of course
line(t,y,'color',rand(1,3))
Carlos Ojeda
2020-5-3
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