How can I zoom into my plot function to a -4 to 4 "interval".

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Jonas Morgner 2022-5-9

回答： KSSV 2022-5-9

v1 = [1 -2 -5 6];
v2 = [-100 : .1 : 100];
y = polyval (v1, v2);
plot (v2, y)

How can I zoom in the plot function from -4 to 4?

Mishka 2022-5-9

You can set the limits of x-axis inside the plot with the command xlim(). In this case, xlim([-4 4]) should do the job.

KSSV 2022-5-9

v1 = [1 -2 -5 6];

v2 = [-100 : .1 : 100];

y = polyval (v1, v2);

plot (v2, y)

xlim([-4 +4])

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