creating plane piecewise in one plot
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I am trying to plane something a piecewise function;
0<x<1 y=3x
1<x<2 y=2x+1
2<x<3 y=6x+1
ı have to plot that one graph, one function.
回答（1 个）
Star Strider
2020-3-30
Try this:
f = @(x) (3*x).*((0<x) & (x<=1)) + (2*x+1).*((1<x) & (x<=2)) + (6*x+1).*((2<x) & (x<=3));
x = linspace(0, 3);
plot(x, f(x))
grid
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2020-3-30
2020-3-30
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