Given a number, return the number of closed 'circles' in the base 10 numerical representation.
Note: the number 4 has no circles
8819 -> 5
Interpolating on a string (the ASCII values) is an interesting idea even though the long interpolation string could be reduced by subtracting '0', but at the expense of a "longer" solution.
Doubling elements in a vector
Sum the numbers on the main diagonal
02 - Vector Variables 4
07 - Common functions and indexing 3
Compare two input matrices
Multiples of a Number in a Given Range
Guess the Coefficients!
Generalized N-Cards Problem
Pig Latin to English Translator
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