Calculate the number of elements in a matrix.
Back to basics 9 - Indexed References
Sum the Digits of a Number
Is it a number?
Finding perimeter of a rectangle
Sum the squares of numbers from 1 to n
calculate PI without using pi function
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