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<p class="MsoNormal">This is the error message<br>
"<span style="color: red;">--error 21 <br>
Invalid index.<br>
<br>
at line 66 of function f called by : <br>
y=ode(x0,0,t,f);<br>
at line 85 of exec file called by : "</span><br>
<br>
<span style="color: black;">I get this by programming 9 ordinary differential
equations. When I program the first 6 ODE's then I still get graphs but when
programming the last 3 that has a effect on the other 6 graphs I then get a
error message.<br>
<br>
Here is the sequence I used.<br>
<br>
Funcprot<br>
Function dx=f(t,x)<br>
Constant values<br>
ordinary differential equations<br>
endfunction<br>
initial values<br>
y=ode(xo,0,t,f)<br>
<br>
now here is ordinary differential equation 6 - dx(6) = F+Fab-Floss (up to here the model works) please note this
is on line 66 corresponding to error message<br>
as soon as I type dx(7) = dx(7) = ((rq1(dx_1)*x(6))+(rq2*(x(1))*(x(6))))<br>
<br>
I get the error.</span></p>
<p class="MsoNormal"><span style="color: black;"> </span></p>
<p class="MsoNormal"><span style="color: black;">Do you want me to send you the
SCILAB file?</span></p>
<font color="#000000"><br><br><br><br><br><br></font><br><div class="gmail_quote">On Mon, Aug 1, 2011 at 11:16 AM, Sylvestre Ledru <span dir="ltr"><<a href="mailto:sylvestre.ledru@scilab.org">sylvestre.ledru@scilab.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">CF:<br>
<a href="http://www.scilab.org/communities/developer_zone/tools/mailing_list" target="_blank">http://www.scilab.org/communities/developer_zone/tools/mailing_list</a><br>
"User mailing list for Scilab. Please post all usage questions here."<br>
;)<br>
<br>
About your questions, please show an example which reproduce your<br>
problem (less than 5 lines)<br>
<br>
<br>
Le lundi 01 août 2011 à 11:11 +0200, Jaundre Venter a écrit :<br>
<div><div></div><div class="h5">> Hi Just want to make sure is this the right email address to send<br>
> questions directly?<br>
><br>
> On Mon, Aug 1, 2011 at 10:11 AM, Sylvestre Ledru<br>
> <<a href="mailto:sylvestre.ledru@scilab.org">sylvestre.ledru@scilab.org</a>> wrote:<br>
> Le lundi 01 août 2011 à 10:08 +0200, Jaundre Venter a écrit :<br>
> > Hi<br>
> > ><br>
> > > To whom it may concern<br>
> > ><br>
> > > I am currently experiencing ERROR problems with SCILAB. I<br>
> am busy<br>
> > using<br>
> > > SCILAB for my final year project in Chemical Engineering<br>
> and it is a<br>
> > very<br>
> > > good program but I am experiencing some problems.<br>
> > ><br>
> > > Can someone please assist me with problems?<br>
><br>
> Please ask your questions directly on the mailing... It is the<br>
> goal of<br>
> it.<br>
><br>
> Sylvestre<br>
><br>
><br>
><br>
<br>
<br>
</div></div></blockquote></div><br>