# HG changeset patch
# User jwe
# Date 948170989 0
# Node ID a6cc6bc220b3cff3c55b4684644dddb061738b81
# Parent  4b61d9e3c73ad64a341344ad586eba59abbc8b56
[project @ 2000-01-18 04:49:49 by jwe]

diff --git a/scripts/ChangeLog b/scripts/ChangeLog
--- a/scripts/ChangeLog
+++ b/scripts/ChangeLog
@@ -60,6 +60,7 @@
 	* signal/triangle_sw.m: Ditto.
 	* signal/yulewalker.m: Ditto.
 	* control/util/strappend.m: Ditto.
+	* control/base/nichols.m: Ditto.
 
 2000-01-14  John W. Eaton  <jwe@bevo.che.wisc.edu>
 
diff --git a/scripts/control/base/nichols.m b/scripts/control/base/nichols.m
--- a/scripts/control/base/nichols.m
+++ b/scripts/control/base/nichols.m
@@ -16,10 +16,10 @@
 ## along with Octave; see the file COPYING.  If not, write to the Free
 ## Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA.
 
-## [mag,phase,w] = nichols(sys[,w,outputs,inputs])
-## Produce Nichols plot of a system
+## -*- texinfo -*-
+## @deftypefn {Function File} {[@var{mag}, @var{phase}, @var{w}] =} nichols (@var{sys}, @var{w}, @var{outputs}, @var{inputs})
+## Produce Nichols plot of a system.
 ##
-## Compute the frequency response of a system.
 ## inputs:
 ##   sys: system data structure (must be either purely continuous or discrete;
 ##       see is_digital)
@@ -49,6 +49,7 @@
 ##
 ## Note: if the requested plot is for an MIMO system, mag is set to
 ## ||G(jw)|| or ||G(exp(jwT))|| and phase information is not computed.
+## @end deftypefn
 
 function [mag, phase, w] = nichols (sys, w, outputs, inputs)
 
diff --git a/scripts/control/base/tzero.m b/scripts/control/base/tzero.m
--- a/scripts/control/base/tzero.m
+++ b/scripts/control/base/tzero.m
@@ -16,7 +16,7 @@
 ## along with Octave; see the file COPYING.  If not, write to the Free
 ## Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA.
 
-##  -*- texinfo -*-
+## -*- texinfo -*-
 ## @deftypefn {Function File} {} tzero (@var{a}, @var{b}, @var{c}, @var{d}@{, @var{opt}@})
 ## @deftypefnx {Function File} {} tzero (@var{sys}@{,@var{opt}@})
 ## Compute transmission zeros of a continuous