Construct a Matlab program to $2$nd order R$-$K Method to solve the following initial value problem:

$y^{\text{'}}=y-(t^2)+1,y(0)=0\mathrm{.}5$

Keep your step size $h=0\mathrm{.}5$ and solve till $t=2.$ Repeat for

h$=0\mathrm{.}05$