How to set domain for p(x)/q(x) functions?

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Ayesha Marriyam
Ayesha Marriyam 2018-9-23
回答： Basil C. 2018-9-24
My function is x-1/x-2 how can I plot this?

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回答（2 个）

Star Strider
Star Strider 2018-9-23
Your function has a singularity at ‘x=2’. If you simply want to plot it, this works:
x = linspace(0, 4, 250);
f = @(x) (x-1)./(x-2);
figure
plot(x, f(x))
grid
Basil C.
Basil C. 2018-9-24
You could just use this simple code instead
syms x
y=(x-1)/(x-2)
ezplot(y)

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