Discover MakerZone

MATLAB and Simulink resources for Arduino, LEGO, and Raspberry Pi

Learn more

Discover what MATLAB® can do for your career.

Opportunities for recent engineering grads.

Apply Today

New to MATLAB?

non linear differential equation

Asked by mohan

mohan (view profile)

on 30 Nov 2012

please help me how to solve

 dq/dt + q =  a1 + b1*u(t) + 1/u(t)^2 

0 Comments

mohan

mohan (view profile)

Products

1 Answer

Answer by Azzi Abdelmalek

Azzi Abdelmalek (view profile)

on 30 Nov 2012
Edited by Azzi Abdelmalek

Azzi Abdelmalek (view profile)

on 30 Nov 2012
function dq=myeq(t,q,t1,u1,a1,b1)
u=interp1(t1,u1,t)
dq=-q+a1+b1+1/u^2;

%Then call myeq

a1=1;
b1=2;
q0=0;
t1=1:0.1:10;  % vector time
u1=t1.^2      % your vector u
[t q]=ode45(@(t,q) myeq(t,q,t1,u1,a1,b1),t1,q0)
plot(t,q)

0 Comments

Azzi Abdelmalek

Azzi Abdelmalek (view profile)

Contact us