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Diffstat (limited to 'macros/isfir.sci')
| -rw-r--r-- | macros/isfir.sci | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/macros/isfir.sci b/macros/isfir.sci index d9e4a05..329ba09 100644 --- a/macros/isfir.sci +++ b/macros/isfir.sci @@ -1,7 +1,35 @@ //Author: Parthasarathi Panda //parthasarathipanda314@gmail.com + +// This function checks whether given system function is FIR or not + +//. Calling Sequence +// fir = isfir(b,a) +// fir = isfir(sos) + +// Input Parameters +// a -->denumerator coefficient matrix +// b --> numerator coefficient matrix +// sos --> second order split matrix +// Output parameter +// fir --> fir == 1 if system is FIR , fir == 0 if system is not FIR + +//Description +// This function take a system function (in terms of denumerator and numerator coefficient matrix or in term of second order split (sos) matrix) as input and checks + +//Example +// 1.) +// fir = isfir([1 -1 1], 1) +//-->fir = isfir([1 -1 1],1) +// fir = +// +// 1. + +//Conclusion : Output of above example is fir = 1 this means system is FIR + function fir=isfir(varargin) [nargout,nargin]=argn(); +// checking for input in terms of numerator (b) and denumerator (a) coefficient matrices if (nargin==2) then a=varargin(1); b=varargin(2); @@ -29,6 +57,7 @@ function fir=isfir(varargin) elseif n~=1 then error('check input dimension'); end +//Checking for input in terms of second orer split (sos) matrix elseif (nargin==1) then sos=varargin(1); if type(sos)~=1 then |