If a number (n) is provided as an input, find the square of the sum of the digits of the number.
If n = 21, the answer will be square of (2 + 1) = 9
what's the answer for (-4+3+1)??? last time I checked, the answer was zero!!!!
-4 + 3 +1=0 right. I don't remember you saying the absolute value in the instructions.
Return the first and last character of a string
Sum the elements in either diagonal of a square matrix
Sum of odd numbers in a matrix
Create the following sequence : 0 1 1 4 9 25 64 169 ...
Concatenate two strings
Convert a number to its Roman representation
Find the dimensions of a matrix
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