Please answer the following questions with regards to MATLAB Software:

Question 3 a) Describe the purpose of the following characters as used in MATLAB: % and : b) Differentiate M-Script file from M-Function file. [4]

Question 4 Given that, A is defined using colon operator and is a row vector with the first element equal to 2, the last element no higher than 9 and with an increment of 3 for each element. B is defined as a row vector using linspace with 3 linearly spaced elements, starting with 10, ending with 16. C is a 1x3 matrix of only zeros. a) Provide the MATLAB codes for creating the given matrices b) Evaluate D = ABC