How to plot two vectors at the same time

2022 4 17
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更新时间：2022 4 18
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Use these variables to plot the graphical representation of the polynomial.
To that end, you must use the function plot, using two parameters, 1)
the vector created in step b and 2) the polyval function (also with two
parameters, the vectors created in steps a and b, in that order).
v1 = [1 -2 -5 6] % vector from exercise A
v2 = [-100 : .1 : 100 ] % vector from excercise B

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Sam Chak
Sam Chak 2022-4-17

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@Jonas Morgner, Do you mean llke this?
v1 = [1 -2 -5 6];
v2 = -100 : .1 : 100;
y = polyval(v1, v2);
plot(v2, y)

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