Re: passing parameters to lsode

[Søren Hauberg]

address@hidden skrev:
> Hi -
> this is my first message here. Hope I do this right ;) Question: How do 
> I pass parameters to a differential equation? lsode wants me to declare 
> the diff. eq. as function xdot = something(x,t). i would rather like to 
> declare this as xdot=something(x,t,parameter1,...). I help myself by 
> declaring global variables for every parameter. This doesn't look very 
> elegant and transparent to me.
Welcome to the list :-)
I don't remember exactly how to call 'lsode', but the answer to your 
question is to create a local function. That is, you can do something 
like this:

  a = 2; b = 1;
  f = @(x, t) sin(a*x + b);
  lsode(f, 0, linspace(0, 5, 20))

Does that help/make sense?

Søren