Which fraction is the greatest (represents the largest quantity) 1/3 3/8 2/5 1/2?

Using matlab: (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 vector x having a regular spacing of 0.2 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.