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Solving Differential Equations in matlab

  1. Oct 12, 2011 #1
    I have following Differential Equations

    a1*x2+b2*x1-c*cos(int(x3))*x4=d
    -c*cos(int(x3))*x2-a2*sin(int(x3))+b2*x4=0

    where a1,b2,c,d,a2,b2 are constants and x1=theta_dot; x2=theta_ddot; x3=alpha_dot; x4=alpha_ddot

    I want to solve these equations for x1,x2,x3,x4 and want to plot with time.
     
  2. jcsd
  3. Oct 12, 2011 #2

    f95toli

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    Gold Member

    Just look up Ode23 (or maybe Ode45, try both) in the help...
     
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