Write a Matlab function that takes

$($a$)$ Stress State $(3$D$)$

$($b$)$ Yield Strength

And returns

$($a$){}^{\text{'}}($Von Misses Stress$)$

$($b$){}_1,{}_2,{}_3($Principal Stresses$)$

$($c$)n_{DE},n_{MSS}($Safety factor for Von Misses and Maximum Shear Stress Theories$)$

Every line must be commented.

Write a short paragraph at the beginning of your code explaining your program and how it works.

Include a simple example of how to run your code.