Please use MatLab to solve.

E.3 Largest Digit Write a function named find Largest Digit that finds the largest digit in a integer. Some Tips: 1. To check if x is an integer - divide x by 1 and see if the reminder is 0. My Solutions 2. To pick the last digit -- divide x by 10 and find the reminder. The function rem() might be useful here. 3. To get rid of the last digit of x-- substract that reminder found in 1) from x and divide by 10 For example, the reminder of 12345/10 is 5 and (12345 - 5)/10 = 1234. 4. What kind of loop will allow you to go through all of the digits of x? Here are 4 example runs: >>>ld findLargestDigit (12345) >> largestD = findLargestDigit (-234) ld- largestD = 5