write a function that gives the indexes of rising or falling edge
x is a vector (assume it contains always at least one element)
str is a string with value 'up' or 'down', describing if you must return indexes of rising or falling edges
Distance walked 2D
Determine if input is a perfect number
Divisors of an integer
What number has this problem?
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