Answers to be in Matlab code form only, not in other form or answers

Write a script file in MATLAB to generate an open uniform knot vector for a kth order B$-$spline curve with defining polygon having n $+1$ number of polygon vertices. Include two examples in the output for

$($a$)$ n $=4,$ k $=2$

$($b$)$ n $=3,$ k $=4$;