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C Programming Language

How to implement Matlab fir1 function in C?


Hi all,

In Matlab, we use fir1 function to calculate fir filter coefficients.
For example,

fir1(10,0.375)

Outputs are:
ans =

  Columns 1 through 10

   -0.0019   -0.0133   -0.0161    0.0766    0.2677    0.3742
0.2677    0.0766   -0.0161   -0.0133

  Column 11

   -0.0019

I wonder how it works and how to implement the fir1(n, wn) function in
C programming language.
Thanks a lot!
Please help!

Jedora.

On 28 May 2007 07:56:34 -0700, Jedora <jed@gmail.com> wrote:

You probably want to start in a newsgroup that discusses the fir
algorithm.  After you try to implement it, you can come back here with
your code and ask questions.

Remove del for email

Hi Jedora,

Were you able to find out the algorithm for Fir1 .. Let me know incase
you done it.

regards,
Shanu

On 5 30 ,   6 46 , wwwku@gmail.com wrote:

> Hi Jedora,

> Were you able to find out the algorithm for Fir1 .. Let me know incase
> you done it.

> regards,
> Shanu

Hi Shanu,

You may find the answer on my blog:
http://xxshi.blogspot.com/2007/06/fir-filter-from-matlab-to-c.html
or
http://xxshi.blogspot.com

Thanks.

Jedora.

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