Select every other element of a vector
Flip the main diagonal of a matrix
Wheat on a chessboard pt 2
Basic arrays operations.
Mean number of letters per word (Easy)
Regular polygon bounded by and bounding a circle
Sorting integers by their digits (Level 4)
Return the sequence element II
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