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From: "John D'Errico" <woodchips@rochester.rr.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: NEED URGENT HELP PLEASE !!!
Date: Thu, 19 Mar 2009 00:58:01 +0000 (UTC)
Organization: John D'Errico (1-3LEW5R)
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"Carlo Castellucci" <xxcarlo_rossixx@yahoo.it> wrote in message <gps134$6eq$1@fred.mathworks.com>...
> MatLab gives me the following warning "MISSING MATLAB OPERATOR" whenever I try to paste the following square matrix in the command window ( it is 11x11 sized )...
> 
> A=[0,1,1,1,0,10,1,0,0,0,0;-2,0,0,4,2,8,0,0,3,2,1;-1,1,2,0,0,0,0,0,0,0,0;0,0,0,0,0,0,0,0,0,1,0;0,0,0,0,0,0,0,0,0,0,1;0,0,0,0,0,0,0,2,1,0,0;...
>     1,0,0,0,0,0,0,0,0,0,0;0,0,0,0,0,0,1,0,0,0,0;0,0.1,0.1,-0.9,0.1,0.1,0,0.1,0.1,0.l,0.1;...

Typo. See that next to last 1 on this line?
Not a 1.


>     0,8.7617*10^-5,8.7617*10^-5,8.7617*10^-5,8.7617*10^-5,-0.9999,0,8.7617*10^-5,8.7617*10^-5,8.7617*10^-5,8.7617*10^-5;0,0,0,0,0,0,0,0,0.8225,0,0];

You do know that you can write

8.7617*10^-5

as 

8.7617E-5

Easier to read. easier to write.

John