[Bugzilla] [Bug 13816] New: show_margins causes scilab crash with a nonminimum phase system

[bugzilla.admin at scilab.org]

http://bugzilla.scilab.org/show_bug.cgi?id=13816
--------- Bug Summary -----------
show_margins causes scilab crash with a nonminimum phase system

---------- Changed by ------------
yamiltaler at gmail.com

---------- What changed ----------
bug_id, short_desc, product, version, rep_platform, op_sys, bug_status, bug_severity, priority, component, assigned_to, reporter, attachments.created


            Bug ID: 13816
           Summary: show_margins causes scilab crash with a nonminimum
                    phase system
           Product: Scilab software
           Version: 5.5.2 final version
          Hardware: PC
                OS: Linux_x64
            Status: NEW
          Severity: Minor
          Priority: P5
         Component: CACSD
          Assignee: bugzilla.admin at scilab.org
          Reporter: yamiltaler at gmail.com

Created attachment 4048
  --> http://bugzilla.scilab.org/attachment.cgi?id=4048&action=edit
Matlab graph with margin function

BUG DESCRIPTION:
----------------
Scilab crash after run show_margins(h,'bode') with a nonminimum phase system. The functions "g_margin", "p_margin" and "bode" runs fine. There is no
trouble with show_margins(h,'nyquist).

ERROR LOG:
----------


HOW TO REPRODUCE THE BUG:
-------------------------
s=poly(0,'s')
num=10*s+20;
den=s^3+14*s^2+35*s-50;
h=syslin('c',num/den);
show_margins(h,'bode');
// or
//show_margins(h);

OTHER INFORMATION:
------------------

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