Reindex a vector
Getting the indices from a matrix
sum of non-primes
Find out missing number from a vector of 9 elements
Narcissistic number ?
Calculate Euler's phi function
Find the treasures in MATLAB Central and discover how the community can help you!
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