Calculation of the velocity and acceleration

For Machinbe dynamic problem.

Given to r=r(t) and θ=θ(t)

Calculate to acceralation and velocity matlab code.

Formulas.

Thanks.

[Jordan Monthei]

Is there a question in here or are you simply asking someone to do your homework?

[KraL Bey]

No.I want learn matlab for solution dynamic problems.

I know about but I can't write all code.

input=r
input=θ

Vr=diff(r)
Vθ=r*diff(θ)
....