Write a matlab function named sum_highest that adds up a specified number of the the largest values in a list of numbers. the first input will be a row vector of real numbers, the 2nd input will be an integer specifying how many largest numbers to add. the output should be a single real number that represents the sum of the subset of numbers. (hints: there is an operator that allows you easily specify a subset of a list, and there are built-in commands to sort and add.)

Write a method public static string getdigits(string phonenumber) that takes an 11-character phone number written with any combination of 11 uppercase letters, lowercase letters and/or digits, and zero or more hyphens, and which returns the digits that a person would have to press on a cell phone to dial that phone number. we will use the mapping of letters to digits given at en.wikipedia.org/wiki/telephone_keypad# /media/file: telephone-keypad2.svg you may assume that the string parameter phonenumber contains some combination of exactly 11 uppercase letters, lowercase letters and/or digits, but that any number of hyphens may be present. you can assume that a hyphen will not appear as the first or last character of the string. do not assum