Right and wrong
Back to basics 23 - Triangular matrix
Determine Whether an array is empty
Replace multiples of 5 with NaN
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