Question 4 Write a program that does the following: (5 points) 1) Set B to be the 15x8 matrix with all elements equal to 2 except the third column with elements equal to -4 without displaying 2) Set W to be the row vector of elements from 4 to 7 with increment 0.002 without displaying then compute the product of the second element of W with the second row of B without displaying