According to matlab

20. Given r- 5 2:5 2 56 5 5 and y [8 5 9:5 2 8:6 0 0 What is the result of a) and b 21. Given 1 5 25 2 56 5 5 and y 8 5 9,5 2 8:6 0 0. What is the result of 22. Given r:3;2:2:6 linspace(4, 10,3] Modify x so the elements that are less than 5 get replaced by 200. (Use vectorizatio) 23. Repeat the previous problem using with a loop 24. What is the outputs of the followings: r 2+3-61) & ((y-0) ln(y