blackman window filter design

hey all i want to design stop-band filter using black-man window type here is the specifications : stop-band frequency from 100 to 150 Hz sampling frequency =500 HZ transition width= 50 HZ number of samples =55

Answer 1

[Honglei Chen]

You can use fir1, the second example in the doc is close to what you want

http://www.mathworks.com/help/signal/ref/fir1.html