How to Plot in specific interval

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Amelia Jemy
Amelia Jemy 2019-11-13
回答： KSSV 2019-11-13
Hey! I cant figure out how to zoom a graph.
When I run my coding, the supposed interval from -5 to 5 is changed because of the bar graph. How do I change (or zoom) the graph so it only show the range from -5 to 5?
Thanks!
x = [-5:0.01:5];
y = x.^3 + 2.*x.^2 - x + 3;
dx = diff(x)
dy = diff(y)
slope = dy ./ dx
figure(1)
plot(x,y)
hold on
bar(slope)

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回答（1 个）

KSSV
KSSV 2019-11-13
Read about xlim
xlim([-5 5])

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