Low Pass Filter using Matlab for Data Filtering

[jophysics]

Hi,

I need to filter my data using a low pass filter. I would like to do this using Matlab. The sampling rate of my data is 200 Hz, and I would like a cut-off frequency of 30Hz. Someone can help me, please?

jo

 

[ranger]

Maybe you are looking for fdesign.lowpass?
http://www.mathworks.com/access/helpdesk/help/toolbox/filterdesign/ref/fdesign.lowpass.html