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Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: find meeting point
Replies: 11   Last Post: Oct 4, 2009 7:03 PM

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joe

Posts: 19
Registered: 9/24/09
Re: find meeting point
Posted: Oct 4, 2009 5:47 PM
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ImageAnalyst <imageanalyst@mailinator.com> wrote in message <2c2d54f2-d9f5-475c-9aff-298a1aee3880@g1g2000vbr.googlegroups.com>...
> On Oct 4, 1:41?pm, "joe " <courstele...@yahoo.fr> wrote:
> > "Lin Li" <Kuvert...@gmailDEL.comDEL> wrote in message <ha8hbe$n9...@fred.mathworks.com>...
> > > "joe " <courstele...@yahoo.fr> wrote in message <ha80mt$9t...@fred.mathworks.com>...
> > > > Hi
> > > > I have to find the time (point ) where the signal (sinus) and the axis (i.e y=10)...

> >
> > > > thx
> >
> > > doc polyxpoly
> > > You need the Mapping Toolbox

> >
> > > Lin
> >
> > Hi Lin
> >
> > help for use polyxpoly, I got some error ?here the code :
> > t=0:.01:5;
> >

> > > S = exp(-t/2).*sin(t*2*pi);
> > > S1=inline('exp(-t/2).*sin(t*2*pi)');
> > > Y=0.2;
> > > S2=inline('0.2');
> > > plot(t,S,t,Y,'r'),grid on;

> >
> > > [Y1,T1]= polyxpoly(S1,S2)
> >
> > thx

>
> -------------------------------------------------------------------------------------------------------
> Any reason you're not sharing the error message? Is it a secret?


Hi
no secret , this is the error message
??? Error using ==> polyxpoly at 23
Incorrect number of arguments
thx



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