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From: Zukri on 12 Jul 2010 12:52
Walter Roberson <roberson(a)hushmail.com> wrote in message <reG_n.6884$KT3.2303(a)newsfe13.iad>...
> Zukri wrote:
> > Thanks a lot, Walter. :) However, I've still got a problem. Here's what
> > I've got from MatLab:
> >
> > U =
> > 10 12 14 16
> >
> > Name Size Bytes Class Attributes
> > U 1x4 32 double
> > So I've applied as mentioned;
> >> tUs = str2num(U.');
> >> legend(tUs{:});
> > and the error - Requires string or character array input.
>
> tUs = cellstr(str2num(U.'));
> legend(tUs{:});
>
> should do it.
>
> > Also, what does U{:} mean?
>
> F(V{:}) is the same as if you had written
>
> F(V{1}, V{2}, V{3}, ... V{end})
>
> provided that V is a cell array. See the Getting Started section of the
> documentation for more information about cell arrays.



Thanks for helping, guys. Unfortunately there's still an error. Here's what I've written:

X = [1 2 3 4]
Y = [1 2 3 4] %line1
Y1 = [5 6 7 8] %line2
Y2 = [9 10 11 12] %line3

U = [1 2 3] % trying to get values of U to to represent as the Legend

plot(X,Y,X,Y1,X,Y2)
tUs = cellstr(str2num(U.'));
legend(tUs{:});

The error is :
??? Error using ==> str2num at 33
Requires string or character array input.
Error in ==> sample at 10
tUs = cellstr(str2num(U.'));

I've also tried the num2cell suggested by Paul, but that didn't work either.
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