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| author | Daniele Nicolodi <nicolodi@science.unitn.it> |
|---|---|
| date | Mon, 05 Dec 2011 18:04:03 +0100 |
| parents | f0afece42f48 |
| children |
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML> <HEAD> <META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=windows-1252"> <TITLE></TITLE> <META NAME="GENERATOR" CONTENT="OpenOffice.org 3.1 (Win32)"> <META NAME="CREATED" CONTENT="0;0"> <META NAME="CHANGEDBY" CONTENT="Adrien G"> <META NAME="CHANGED" CONTENT="20090827;17393200"> </HEAD> <BODY LANG="en-US" DIR="LTR"> <H2>How to build a ssm object. </H2> <UL> <LI><P><FONT COLOR="#000000">The empty constructor creates an empty statespace model</FONT></P> <DIV CLASS="fragment"><PRE><FONT COLOR="#000000"><FONT FACE="Courier New, monospace"><FONT SIZE=2>>> </FONT></FONT></FONT>s = ssm()</PRE></DIV> </UL> <UL> <LI><P><FONT COLOR="#000000">Models can be built out of built-in models (mfiles stored in a folder), out of a description with a plist, from a repository or a xml file, but also out of a pzmodel, a rational or a miir model. Conversion out of a parFrac object is not implemented yet.</FONT></P> <DIV CLASS="fragment"><PRE><FONT COLOR="#000000"><FONT FACE="Courier New, monospace"><FONT SIZE=2>>> </FONT></FONT></FONT>s = ssm(<pzmodel>)<BR><FONT COLOR="#000000"><FONT FACE="Courier New, monospace"><FONT SIZE=2>>> </FONT></FONT></FONT>s = ssm(<miir>)<BR><FONT COLOR="#000000"><FONT FACE="Courier New, monospace"><FONT SIZE=2>>> </FONT></FONT></FONT>s = ssm(<rational>)</PRE></DIV> </UL> <UL> <LI><P><FONT COLOR="#000000">This creates a new statespace model by loading the object from disk, either out of an xml file or a .mat file. The latter is not recommended as Matlab data format poses some new retro-compatibility issues at each new release.</FONT></P> <DIV CLASS="fragment"><PRE><FONT SIZE=2><FONT FACE="Courier New, monospace"><FONT COLOR="#000000">>> s = ssm(</FONT><FONT COLOR="#a020f0">'a1.xml'</FONT><FONT COLOR="#000000">)<BR></FONT></FONT></FONT><FONT COLOR="#000000"><FONT FACE="Courier New, monospace"><FONT SIZE=2>>> s = ssm(</FONT></FONT></FONT><FONT COLOR="#a020f0"><FONT FACE="Courier New, monospace"><FONT SIZE=2>'a1.mat'</FONT></FONT></FONT><FONT COLOR="#000000"><FONT FACE="Courier New, monospace"><FONT SIZE=2>)</FONT></FONT></FONT></PRE></DIV> </UL> <UL> <LI><P><FONT COLOR="#000000">For internal use (see built-in models), a structure constructor is available. This is constructor should not be used – except inside a built-in model – as it does not increment history, making it impossible to rebuild the object.</FONT></P> <DIV CLASS="fragment"><PRE><FONT COLOR="#000000"><FONT FACE="Courier New, monospace"><FONT SIZE=2>>> </FONT></FONT></FONT>s = ssm(<struct>)</PRE></DIV> </UL> <UL> <LI><P><FONT COLOR="#000000">There are dedicated help pages on how to build a model out of a built-in object or a plist description.</FONT></P> <DIV CLASS="fragment"><PRE><FONT COLOR="#000000">>> system = ssm(plist(<FONT COLOR="#a020f0">'built-in'</FONT>, <FONT COLOR="#a020f0">'<model name>'</FONT>))<BR></FONT><FONT COLOR="#000000">>> system = ssm(plist(</FONT><FONT COLOR="#a020f0">'built-in'</FONT><FONT COLOR="#000000">, </FONT><FONT COLOR="#000000"><model number>))</FONT> >> system = ssm(plist(<FONT COLOR="#a020f0">'amats'</FONT>, <a matrices> ... ))</PRE></DIV> </UL> </BODY> </HTML>