
From:  kanta 
Subject:  need help regarding phase margin calculation 
Date:  Tue, 16 Feb 2010 13:58:38 +0800 
Dear Sir,
I am new user for octave GNU. I don't know how
to calculate phase margin using extrapolation for a bode plot with if or for
loop. previously i done this in MATLAB and loop code is
for i=1:1:30
if((mag(i)>1) &
(mag(i+1)<1))
j=i
y2=mag(i);
y1=mag (i+1)
x2=w(i)
x1=w(i+1)
end
end
how this will do in octave. could you please help
me out?
Thanks & Regards,
Kanta

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