Hydrogen sulfide gas is compressed from an initial state of $400K$ and $5$ bar to a final state of

$600K$ and $25$ bar. Estimate $H$ and $S$ using the three methods:

Use the generalized second$-$virial$-$coefficient correlation;

Use the Lee$/$Kesler table;

Use the Peng$/$Robinson $($PR$)$ equation. I need matlab codes for this problem