The table below represents a 4x4 digital image. Apply the 3x3 median filter to the image. Show your steps. Specify how you handled the missing pixels at the edges. (You do need to write code for this question.) 40|10|60| 10 30 20 50 20 30 60 | 20 70 10 40 50 90 2. (15 p) Write a Matlab/Octave script that finds the sum of n numbers provided by user. n numbers will be provided by user during program execution.