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[Octave-bug-tracker] [bug #44008] freqz nuance

From: anonymous
Subject: [Octave-bug-tracker] [bug #44008] freqz nuance
Date: Thu, 15 Jan 2015 00:59:00 +0000
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.95 Safari/537.36


                 Summary: freqz nuance
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Thu 15 Jan 2015 12:58:59 AM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Other
                  Status: None
             Assigned to: None
         Originator Name: Bill McEachen
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.8.2
        Operating System: Microsoft Windows



hopefully I've got it right, but reporting just in case.
I entered an analog tf, used c2d to get discrete version.
The returned Hz had numerator 7 terms, denominator 8.
My sampling freq was 40 rad/s, and I wanted the discrete freq response in 20
increments over 0-Pi
I thought I should 0 pad...when I did this and went to use freqz, I get 
octave:84> [fr,w]=freqz(numz,denz,20);
error: freqz: A(I): index out of bounds; value 20 out of bound 2

bode works fine ...the issue may be handoff between the control and the signal
package (?)

the commands I used are attached ...


File Attachments:

Date: Thu 15 Jan 2015 12:58:59 AM UTC  Name: bug_details.txt  Size: 626B   By:
I can provide anything else you need


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