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<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>
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<!DOCTYPE MAN SYSTEM "../../manrev.dtd">
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<LANGUAGE>eng</LANGUAGE>
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<TYPE>Scilab Function</TYPE>
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<DATE>April 1993</DATE>
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<SHORT_DESCRIPTION name="arma"> Scilab arma library</SHORT_DESCRIPTION>
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Armax processes can be coded with Scilab tlist of type <VERB>'ar'</VERB>.
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<VERB>armac</VERB> is used to build <VERB>Armax</VERB> scilab object. An <VERB>'ar'</VERB>
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tlist contains the fields <VERB>['a','b','d','ny','nu','sig']</VERB>.
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<DESCRIPTION_ITEM label="armac">
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<SP>: this function creates a Scilab tlist which code an Armax
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process A(z^-1)y= B(z^-1)u + D(z^-1)sig*e(t)</SP>
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-->ar=armac([1,2],[3,4],1,1,1,sig);
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<DESCRIPTION_ITEM label="armap(ar [,out])">
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<SP>: Display the armax equation associated with <VERB>ar</VERB></SP>
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<DESCRIPTION_ITEM label="armap_p(ar [,out])">
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<SP>: Display the armax equation associated with <VERB>ar</VERB> using polynomial matrix display.</SP>
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<DESCRIPTION_ITEM label="[A,B,D]=armap2p(ar)">
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<SP>: extract polynomial matrices from ar representation</SP>
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<DESCRIPTION_ITEM label="armax">
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<SP>: is used to identify the coefficients of a n-dimensional ARX process A(z^-1)y= B(z^-1)u + sig*e(t)</SP>
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<DESCRIPTION_ITEM label="armax1">
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<SP>: armax1 is used to identify the coefficients of a 1-dimensional ARX process A(z^-1)y= B(z^-1)u + D(z^-1)sig*e(t)</SP>
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<DESCRIPTION_ITEM label="arsimul">
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<SP>: armax trajectory simulation.</SP>
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<DESCRIPTION_ITEM label="arspec">
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<SP>: Spectral power estimation of armax processes. Test of mese and arsimul</SP>
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<DESCRIPTION_ITEM label="exar1">
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<SP>: An Example of ARMAX identification ( K.J. Astrom) The armax process is described by : a=[1,-2.851,2.717,-0.865] b=[0,1,1,1] d=[1,0.7,0.2]</SP>
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<DESCRIPTION_ITEM label="exar2">
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<SP>: ARMAX example ( K.J. Astrom). A simulation of a bi dimensional version of the example of exar1.</SP>
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<DESCRIPTION_ITEM label="exar3">
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<SP>: Spectral power estimation of arma processes from Sawaragi et all where a value of m=18 is used. Test of mese and arsimul</SP>
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<DESCRIPTION_ITEM label="gbruit">
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<SP>: noise generation</SP>
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<DESCRIPTION_ITEM label="narsimul">
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<SP>: armax simulation ( using rtitr)</SP>
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<DESCRIPTION_ITEM label="odedi">
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<SP>: Simple tests of ode and arsimul. Tests the option 'discret' of ode</SP>
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<DESCRIPTION_ITEM label="prbs_a">
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<SP>: pseudo random binary sequences generation</SP>
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<DESCRIPTION_ITEM label="reglin">
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<SP>: Linear regression</SP>
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<AUTHOR>J.P.C ; ; </AUTHOR>