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.
Extract leading non-zero digit
Multiply 2 numbers
select the primes of a vector
Find the index of the largest value in any vector X=[4,3,4,5,9,12,0,4.....5]
Test if a Number is a Palindrome without using any String Operations
Generate N equally spaced intervals between -L and L
The Dark Side of the Die
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