Given a string x, return the sum of all ASCII numbers of all characters.
for example, if x='lala' ('l'-> 108, 'a'->97) then y = 108+97+108+97
First N Perfect Squares
Back to basics 25 - Valid variable names
Determine Whether an array is empty
Compute LOG(1+X) in natural log
Odd times 3
i forgot to use capital I
Second smallest number
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