low pass filter design using matlab.(program)

[bharathchandra]

how to design -a LPF(fir) by window method sampling freq=100hz and cut off=20khz..without using FFT builtin function.
plz can u give me a code(program) to implement this using matlab softwear.please.

 

[sprao]

In Matlab there is on tool named FDATOOL. So, you just type
>> fdatool
and you can design your filter.
Study matlab documentation to use this.

 

[amihomo]

hi
thank you for sharing the files

Added after 8 minutes:

how to design -a LPF(fir) by window method sampling freq=100hz and cut off=20khz..without using FFT builtin function.
plz can u give me a code(program) to implement this using matlab softwear.please.

u can use these matlab function : butter and filter

regards