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From: | Doug Stewart |
Subject: | Re: c2d |
Date: | Sun, 02 Sep 2007 19:37:15 -0500 |
User-agent: | Thunderbird 1.5.0.13 (Windows/20070809) |
Gino Francisco Alania Hurtado wrote:
octave:4> [Npz,Dpz]=c2d(Nu,De,'zoh',T) usage: dsys=c2d(sys[,T]) error: evaluating if command near line 104, column 3error: called from `c2d' in file `/home/nitcom/gino/octave/share/octave/2.1.73/m/control/system/c2d.m'Doug Stewart escribió:Gino Francisco Alania Hurtado wrote:I need help me , used command c2d octave:6> T=0.05; octave:7> Nu=200; octave:8> De=[1 30 200]; octave:9> [Npz,Dpz]=c2d(Nu,De,T,'zoh')[Npz,Dpz]=c2d(Nu,De,'zoh',T)usage: dsys=c2d(sys[,T]) error: evaluating if command near line 104, column 3 as the function would have to be used c2d? _______________________________________________ Help-octave mailing list address@hidden https://www.cae.wisc.edu/mailman/listinfo/help-octave
Sorry I should have look at it a little closer!! Here is what you want I think T=0.05; Nu=200; De=[1 30 200]; sys1=tf2sys(Nu,De); sysout(sys1) sys2=c2d(sys1,T); sysout(sys2) [Npz Dpz] = sys2tf(sys2) roots(Npz) roots(Dpz) Now depending on what version of Octave you have you might want: T=0.05; Nu=200; De=[1 30 200]; sys1=tf(Nu,De); sysout(sys1) sys2=c2d(sys1,T); sysout(sys2) [Npz Dpz] = sys2tf(sys2) roots(Npz) roots(Dpz)
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