Defining ODEs inside an ODE45 function.

Hi. How do I define ODEs inside an ODE45 function? I have a ODE45 function, which was working fine and now I would like to add two more ODEs to that as dependent variables. How can I do that? Kindly let me know.

[James Tursa]

Please give us more specifics about your current code and what ODEs you want to add. The only advice we can currently offer is to increase the size of your state vector by 2 and then add your DEs in the derivative function.