Create a vector b$1$ with the first values of vector a$,$ i$.$e$.,$ from element $1$ to element $.$

Create a vector b$2$ with the last values of vector a$,$ i$.$e$.,$ from element $2$ to element $.$

Create a vector b$3$ with the elements of vector a from element $2$ to element $.$

Create a vector b$4$ with the first and last elements of vector a$.$

Create a vector b$5$ with the elements of vector a in odd positions, i$.$e$.,$ elements $1,3,5,...$

Create a vector b$6$ with the elements of vector a in positions descending in decrements of $3$ from the end of vector a$,$ i$.$e$.,$ elements $,,,...$

Create a vector b$7$ as a copy of vector a with all elements less than $1$ replaced with $-1.$

Create a vector b$8$ that contains all the values in a in the interval $[-1,1]$ in ascending order.

Create a vector b$9$ that contains the values of the elements of vector a at positions $[3,1,4,3,2]$ in this order.