just plotting a 1 periodic function

li
2011 3 31
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I would like to plot a 1 periodic function and it could be piecewise linear. I have a function like below,it is a triangular function, I would like to extend the triangle with a period 1,how can I do it? thanks
function piecewise=piecew(x);
piecewise=abs(1-abs(x)).*(abs(x)<1);
end

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Andrew Newell
Andrew Newell 2011-3-31

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function piecewise=piecew(x)
z = mod(x,2)-1;
piecewise=abs(1-abs(z)).*(abs(z)<1);
end

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