Specifies how many digits in a given integer.
Example: in=100 ==> out=3
Add tests with 100,1000...
Solutions with ceil are wrong.
So many choices
Return elements unique to either input
Volume and area of a sphere
Is this triangle right-angled?
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