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creating plane piecewise in one plot

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Ugur Sahin
Ugur Sahin 2020-3-30
回答： Star Strider 2020-3-30
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.

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回答（1 个）

Star Strider
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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