# How do I plot the derivative of a function?

1 view (last 30 days)
Batuhan Yildiz on 1 Oct 2022
Already have the derivative 1- (sinx)/(squar(x))-(squar(x))(cos(x)) just don't know how to plot it via code

Sulaymon Eshkabilov on 1 Oct 2022
Use syms and fplot(), e.g.:
syms x
fplot()
Batuhan Yildiz on 1 Oct 2022
What is in the brackets of plot

Sulaymon Eshkabilov on 1 Oct 2022
Edited: Sulaymon Eshkabilov on 1 Oct 2022
To plot sin(2*x), e.g.:
syms x
fplot(x, sin(2*x), [-pi, pi]), grid on
xlabel('x'), ylabel('sin(2*x)')
Apply this exercise for your exercise.
Batuhan Yildiz on 1 Oct 2022
One last thing what would happend if you had to add x=[1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0] to the codding? What would it look like?

Sulaymon Eshkabilov on 1 Oct 2022
It is very simple, e.g.:
x = [-3, -2.5 -2 -1 0 1 2 3];
y= sin(2*x);
plot(x, y)

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