[1] (define a (make-vector 10)) ; vector of 10 elements initialized to the empty list

A
[2] (define b (make-vector 10 5)) ; vector of 10 elements initialized to 5

B
[3] (define c #(1 2 3 4 5 6 7 8 9 10)) ; vector literal

C
[4] (vector-ref c 3) ; retrieve a value -- NB. indexed from 0

4
[5] (vector-set! a 5 1) ; set a_5 to 1

1
[6] (define d (make-array 5 6 7)) ; 3-dimensional array of size 5 by 6 by 7

D
[7] (array-set! d 1 2 3 10) ; set d_1,2,3 to 10 -- NB. still indexed from 0

10
[8] (array-ref d 1 2 3) ; and get the value of d_1,2,3

10