i think this problem needs more test case
Word Counting and Indexing
Test for balanced parentheses
Roll the Dice!
Reverse the vector
Predicting life and death of a memory-less light bulb
area of an annulus
count any radix?
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