[Octave-bug-tracker] [bug #46440] [octave forge] (signal) missing function lp2lp

[Tony Richardson]

Follow-up Comment #2, bug #46440 (project octave):

I have included implementations of lp2lp, lp2hp, lp2bp, and lp2bs.  Each
includes demo code.

I worked directly with the coefficient polynomials of the transfer function
instead of using any functions from the controls package.  I am sure that
there are more efficient implementations of each of the functions (especially
for lp2bp and lp2bs), but these seem to work ok.  They may at least provide a
starting point for further refinement.

I used examples from the public documentation from the corresponding MATLAB
functions for testing (and for the demo code).  I have not seen the code for
the MATLAB functions (but I would guarantee they are implemented much
differently).


(file #51223, file #51224, file #51225, file #51226)
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Additional Item Attachment:

File name: lp2lp.m                        Size:1 KB
    <https://file.savannah.gnu.org/file/lp2lp.m?file_id=51223>

File name: lp2bp.m                        Size:2 KB
    <https://file.savannah.gnu.org/file/lp2bp.m?file_id=51224>

File name: lp2hp.m                        Size:1 KB
    <https://file.savannah.gnu.org/file/lp2hp.m?file_id=51225>

File name: lp2bs.m                        Size:2 KB
    <https://file.savannah.gnu.org/file/lp2bs.m?file_id=51226>



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