Using MATLAB Consider the following first$-$order ODE: dy$/$dt$=-0\mathrm{.}5$y$,$y$(0)=13-$ Consider the following first$-$order ODE:

$\frac{dy}{dt}=-0\mathrm{.}5y,y(0)=1$

Solve this equation then plot it$.$

a$)$ Using ODE$45$

b$)$ Using ODE$23$

Solve this equation then plot it$.$ using MATLAB

a$)$ Using ODE$45$

b$)$ Using ODE$23$