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[Octave-bug-tracker] [bug #41820] control package: rlocus errors on inpu


From: Doug Stewart
Subject: [Octave-bug-tracker] [bug #41820] control package: rlocus errors on input when max_k is not specified for some input
Date: Mon, 10 Mar 2014 02:44:47 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/33.0.1750.146 Safari/537.36

Follow-up Comment #3, bug #41820 (project octave):

The problem seems to be in the repeated roots in the numerator
the following code would be a workaround until we get it fixed

 n=poly([  -2 -2.0001])
 d=[1 8 1 8 0]

roots(n)
roots(d)
ss1=tf(n,d)
ss1

 rlocus(ss1);

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