[PD] help with expr and differential equation

Tebjan Halm - VVVV tebjan at vvvv.org
Mon Jun 18 01:15:39 CEST 2012


which solution/formula do you want to implement? what are the variables 
and how do you do the feedback?

Am 17.06.2012 20:15, schrieb ronni montoya:
> Hi, im trying to implement the lokta volterra equation using expr in pd :
>
> http://en.wikipedia.org/wiki/Lotka%E2%80%93Volterra_equation
>
>
>
> im doing in this way:
>
>   [expr $f1 * ($f3 - ($f4 * $f2));
>            $f2 * ($f5 - ($f6 * $f1)); ]
>
>
>
> but im not the getting the expected result, im only getting the output
> of the second outlet but  with wierd results, any idea what am i doing
> wrong?
>
>
>
> thanks
>
>
>
> R.
>
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