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Re: rect(x) and tri(x)


"Marcus Fin" <marco_pinna at ieee.org> wrote in message
news:9sb4cs$d0d$1 at smc.vnet.net...
> someone may help me to realize rect(x) e tri(x) functions with Mathematica
?
> I thank you in advance.

I am making a guess at what your rect and tri functions are, but here is how
I would define them:

rect[x_]:=0/;Abs[x]>1;
rect[x_]:=1/;Abs[x]<=1;
tri[x_]:=0/;Abs[x]>1;
tri[x_]:=1-Abs[x]/;Abs[x]<=1;

You can then check what they look like by doing the following plots:

Plot[rect[x],{x,-3,3}];
Plot[tri[x],{x,-3,3}];


--
Steve Luttrell
QinetiQ
Malvern Technology Centre
UK




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