a$.$ Use two methods to create the vector $x$ having $100$ regularly spaced values starting at $5$ and ending at $28.$

b$.$ Use two methods to create the vect$$r $x$ having a regular spacing of $0\mathrm{.}2$ starting at $2$ and ending at $14.$

c$.$ Use two methods to create the vector $x$ having $50$ regularly spaced values starting at $-2$ and ending at $5.$

Matlab