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See the recommended documentation of this function

Справка Scilab >> CACSD > Plot and display > gainplot

gainplot

magnitude plot

Calling Sequence

gainplot(sl,fmin,fmax [,step] [,comments] )
gainplot(frq,db,phi [,comments])
gainplot(frq, repf [,comments])

Arguments

sl

list (syslin SIMO linear system).

fmin,fmax

real scalars (frequency interval).

step

real (discretization step (logarithmic scale))

comments

string

frq

matrix (row by row frequencies)

db,phi

matrices (magnitudes and phases corresponding to frq)

repf

complex matrix. One row for each frequency response.

Description

Same as bode but plots only the magnitude.

Examples

s=poly(0,'s')
h1=syslin('c',(s^2+2*0.9*10*s+100)/(s^2+2*0.3*10.1*s+102.01))
h2=syslin('c',(s^2+2*0.1*15.1*s+228.01)/(s^2+2*0.9*15*s+225))
clf();gainplot([h1;h2],0.01,100,..
                   ["$\frac{s^2+18 s+100}{s^2+6.06 s+102.1}$";
                    "$\frac{s^2+3.02 s+228.01}{s^2+27 s+225}$"])
title('Gainplot')

See Also

  • bode — Bode plot
  • black — Black-Nichols diagram of a linear dynamical system
  • nyquist — nyquist plot
  • repfreq — frequency response
  • g_margin — gain margin and associated crossover frequency
  • datatips — Tool for placing and editing tips along the plotted curves.
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Last updated:
Fri Apr 11 14:19:38 CEST 2014