"Royi Avital" <RoyiREMOVEAvital@yahoo.com> wrote in message <email@example.com>... > Hello. > I'm running an intense simulation which applies an IIR Filter on a large amount of data. > > I'm using Matlab's filter function - http://www.mathworks.com/help/techdoc/ref/filter.html > > the problem is this procedure takes up to 60% of the running time of the Simulation. > > I was wondering if anyone has experience how to speed it up? > Any MEX file? > > I need the most simple implementation - I give the Coefficients and the Data Vector. > > Thanks.