A perfect number occurs whent the sum of all divisors of a positive integer, except the number itself, equals the number.
28 = 1 + 2 + 4 + 7 + 14;
so return true
10 ~= 1 + 2 + 5
so return false
Replace NaNs with the number that appears to its left in the row.
7 segment LED display
Divisors of an integer
Reverse the elements of an array
Dimensions of a rectangle
Find the maximum two numbers of every column of a matrix
Make an anonymous function that has variable output
Compute the intersect point of line and plan
If the number is Narcissistic number
Find the right number make the equation
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