We love vectorized solutions. Problem 1 : remove the row average.
matrix of natural number
Sum the 'edge' values of a matrix
Multiply by 3
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office