Interesting problem but tests are too tricky.
Remove NaN ?
Replace multiples of 5 with NaN
Basic arrays operations.
Graph Algorithms - 2 : Chromatic Number
BLOCK x3 (Version 2)
row-th maximum row elements
Integer Sequence - 1
Elements with highest local average
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