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  • Committer: Bazaar Package Importer
  • Author(s): Torsten Werner
  • Date: 2005-01-09 22:58:21 UTC
  • mfrom: (1.1.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20050109225821-473xr8vhgugxxx5j
Tags: 3.0-12
changed configure.in to build scilab's own malloc.o, closes: #255869

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<?xml version="1.0" encoding="UTF-8"?>
 
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<!DOCTYPE MAN SYSTEM "../../manrev.dtd">
 
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<MAN>
 
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  <LANGUAGE>eng</LANGUAGE>
 
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  <TITLE>bode</TITLE>
 
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  <TYPE>Scilab Function</TYPE>
 
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  <DATE>April 1993</DATE>
 
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  <SHORT_DESCRIPTION name="bode">Bode plot</SHORT_DESCRIPTION>
 
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  <CALLING_SEQUENCE>
 
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    <CALLING_SEQUENCE_ITEM>bode(sl,[fmin,fmax] [,step] [,comments]
 
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    )</CALLING_SEQUENCE_ITEM>
 
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    <CALLING_SEQUENCE_ITEM>bode(sl,frq [,comments] )</CALLING_SEQUENCE_ITEM>
 
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    <CALLING_SEQUENCE_ITEM>bode(frq,db,phi
 
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    [,comments])</CALLING_SEQUENCE_ITEM>
 
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    <CALLING_SEQUENCE_ITEM>bode(frq, repf [,comments])</CALLING_SEQUENCE_ITEM>
 
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  </CALLING_SEQUENCE>
 
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  <PARAM>
 
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    <PARAM_INDENT>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>sl</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: <VERB>syslin</VERB> list (SISO or SIMO linear system) in
 
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          continuous or discrete time.</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>fmin,fmax</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: real (frequency bounds (in Hz))</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>step</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: real (logarithmic step.)</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>comments</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: vector of character strings (captions).</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>frq</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: row vector or matrix (frequencies (in Hz) ) (one row for each
 
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          SISO subsystem).</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>db</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: row vector or matrix ( magnitudes (in Db)). (one row for each
 
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          SISO subsystem).</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>phi</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: row vector or matrix ( phases (in degree)) (one row for each
 
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          SISO subsystem).</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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      <PARAM_ITEM>
 
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        <PARAM_NAME>repf</PARAM_NAME>
 
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        <PARAM_DESCRIPTION>
 
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          <SP>: row vector or matrix of complex numbers (complex frequency
 
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          response).</SP>
 
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        </PARAM_DESCRIPTION>
 
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      </PARAM_ITEM>
 
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    </PARAM_INDENT>
 
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  </PARAM>
 
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  <DESCRIPTION>
 
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    <P>Bode plot, i.e magnitude and phase of the frequency response of
 
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    <VERB>sl</VERB>.</P>
 
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    <P><VERB>sl</VERB> can be a continuous-time or discrete-time SIMO system
 
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    (see <VERB>syslin</VERB>). In case of multi-output the outputs are plotted
 
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    with different symbols.</P>
 
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    <P>The frequencies are given by the bounds <VERB>fmin,fmax</VERB> (in Hz)
 
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    or by a row-vector (or a matrix for multi-output) <VERB>frq</VERB>.</P>
 
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    <P><VERB>step</VERB> is the ( logarithmic ) discretization step. (see
 
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    <VERB>calfrq</VERB> for the choice of default value).</P>
 
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    <P><VERB>comments</VERB> is a vector of character strings (captions).</P>
 
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    <P><VERB>db,phi</VERB> are the matrices of modulus (in Db) and phases (in
 
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    degrees). (One row for each response).</P>
 
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    <P><VERB>repf</VERB> matrix of complex numbers. One row for each
 
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    response.</P>
 
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    <P>Default values for <VERB>fmin</VERB> and <VERB>fmax</VERB> are
 
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    <VERB>1.d-3</VERB>, <VERB>1.d+3</VERB> if <VERB>sl</VERB> is
 
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    continuous-time or <VERB>1.d-3</VERB>, <VERB>0.5</VERB> if <VERB>sl</VERB>
 
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    is discrete-time. Automatic discretization of frequencies is made by
 
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    <VERB>calfrq</VERB>.</P>
 
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  </DESCRIPTION>
 
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  <EXAMPLE><![CDATA[
 
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s=poly(0,'s')
 
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h=syslin('c',(s^2+2*0.9*10*s+100)/(s^2+2*0.3*10.1*s+102.01))
 
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title='(s^2+2*0.9*10*s+100)/(s^2+2*0.3*10.1*s+102.01)';
 
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bode(h,0.01,100,title);
 
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h1=h*syslin('c',(s^2+2*0.1*15.1*s+228.01)/(s^2+2*0.9*15*s+225))
 
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clf()
 
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bode([h1;h],0.01,100,['h1';'h'])
 
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  ]]></EXAMPLE>
 
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  <SEE_ALSO>
 
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    <SEE_ALSO_ITEM>
 
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      <LINK>black</LINK>
 
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    </SEE_ALSO_ITEM>
 
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    <SEE_ALSO_ITEM>
 
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      <LINK>nyquist</LINK>
 
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    </SEE_ALSO_ITEM>
 
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    <SEE_ALSO_ITEM>
 
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      <LINK>gainplot</LINK>
 
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    </SEE_ALSO_ITEM>
 
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    <SEE_ALSO_ITEM>
 
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      <LINK>repfreq</LINK>
 
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    </SEE_ALSO_ITEM>
 
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    <SEE_ALSO_ITEM>
 
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      <LINK>g_margin</LINK>
 
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    </SEE_ALSO_ITEM>
 
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    <SEE_ALSO_ITEM>
 
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      <LINK>p_margin</LINK>
 
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    </SEE_ALSO_ITEM>
 
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    <SEE_ALSO_ITEM>
 
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      <LINK>calfrq</LINK>
 
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    </SEE_ALSO_ITEM>
 
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    <SEE_ALSO_ITEM>
 
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      <LINK>phasemag</LINK>
 
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    </SEE_ALSO_ITEM>
 
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  </SEE_ALSO>
 
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</MAN>
 
 
b'\\ No newline at end of file'