Man Scilab

g_margin
Scilab Function

g_margin - gain margin

Calling Sequence

[gm [,fr]]=g_margin(h)

Parameters

Description

returns gm , the gain margin in dB of h (SISO plant) and fr , the achieved corresponding frequency in hz. The gain margin is values of the system gain at points where the nyquist plot crosses the negative real axis.

Examples


h=syslin('c',-1+%s,3+2*%s+%s^2)
[g,fr]=g_margin(h)
[g,fr]=g_margin(h-10)
nyquist(h-10)
 
  

See Also

p_margin ,   black ,   chart ,   nyquist ,  

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