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<H1><A NAME="SECTION00640000000000000000"> </A><A NAME="2266"> </A>
<BR>
Deleting Dynamical Systems
</H1>
Suppose that we want to remove the dynamical system ``Bouncing Ball'' from
section <A HREF="node52.html#def_ds"><IMG ALIGN="BOTTOM" BORDER="1" ALT="[*]"
SRC="/usr/lib/latex2html/icons.gif/cross_ref_motif.gif"></A>,
which is defined in the file bball_def.c. To remove this:
<DL COMPACT>
<DT>1.
<DD>Edit the Makefile in your local DsTool directory. Delete the name of the file
which contains the dynamical system from the USER_SRCS
list and the name of the corresponding object file from the USER_OBJS list.
In our example, we would remove the file names bball_def.c and bball_def.o
from the Makefile.
<P>
<DT>2.
<DD>Edit the file user.c and
delete all references to the dynamical system you wish to remove. To remove the Bouncing ball system,
delete the lines
<PRE>
extern int bball_init();
</PRE>
and
<PRE>
{0, "Bouncing Ball", bball_init},
</PRE>
from the file.
<P>
<DT>3.
<DD>Remake your custom executable as explained in previous sections.
</DL>
<P>
We note that you cannot delete any of the standard models that come
with DsTool. You can only delete models that you have previously
added to your own custom executable.
<BR>
104#104
<BR>
<P>
<BR><HR>
<ADDRESS>
<I>John Lapeyre</I>
<BR><I>1998-09-04</I>
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