MATLAB Central Newsreader - Best method for filtering this curve

Best method for filtering this curve

Sprinceana — Tue, 09 Jun 2009 20:27:02 -0400

Which is the best method to filter this curve?

http://img132.imageshack.us/img132/405/sanstitreueu.png

Any ideas?

Any functions to use?

>>doc name_functions

Thanks a lot!

Re: Best method for filtering this curve

Sprinceana — Tue, 09 Jun 2009 20:34:03 -0400

"Sprinceana " <mihaispr@yahoo.com> wrote in message <h0mgim$iug$1@fred.mathworks.com>...
> Which is the best method to filter this curve?
>
>
> http://img132.imageshack.us/img132/405/sanstitreueu.png
>
> Any ideas?
>
> Any functions to use?
>
> >>doc name_functions
>
> Thanks a lot!

Shoul I use sptool?

>>help sptool

Or another function?

Pls help...:(

Re: Best method for filtering this curve

Sadik — Wed, 10 Jun 2009 03:59:02 -0400

A small-window median filtering would do it for you. Please see

help medfilt1

"Sprinceana " <mihaispr@yahoo.com> wrote in message <h0mgvr$g0i$1@fred.mathworks.com>...
> "Sprinceana " <mihaispr@yahoo.com> wrote in message <h0mgim$iug$1@fred.mathworks.com>...
> > Which is the best method to filter this curve?
> >
> >
> > http://img132.imageshack.us/img132/405/sanstitreueu.png
> >
> > Any ideas?
> >
> > Any functions to use?
> >
> > >>doc name_functions
> >
> > Thanks a lot!
>
> Shoul I use sptool?
>
> >>help sptool
>
> Or another function?
>
> Pls help...:(

Re: Best method for filtering this curve

Kian — Mon, 15 Jun 2009 02:10:18 -0400

Or you can use 'filter'. Look it up. You'd have to create a filter using the filter toolbox and then use filter(yourfilter, yourdata) to filter it out.