Back to basics 25 - Valid variable names
Given area find sides
Number of digits in an integer
sum of first 'n' terms
Length of a short side
Replacing a row
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