Problem 1477. Champernowne Constant
The Champernowne constant is a real number whose digits in decimal representation come from the concatenation of all consecutive positive integers starting from 1.
That is
0.1234567891011121314151617181920...
This constant is of interest because it can be understood to contain an encoding of any past, present or future information, because any given sequence of numbers can be shown to exist somewhere in the champernowne representation.
Return the nth digit of the champernowne constant. The function takes an array of position values and returns an array of digits corresponding to those positions.
Examples:
[1 2 3 4 5] returns [1 2 3 4 5]
[10 11 12 13 14 15] returns [1 0 1 1 1 2]
[188 289] returns [9 9]
Solution Stats
Problem Comments
-
2 Comments
Please change the example [188 289] in your problem description to [188 189], as I believe [188 289] should return [9 1], rather than [9 9]. (By the way, great job picking 189 to use for a check. Right at the end of the two-digit numbers.)
uint8 is our friend.
Solution Comments
Show commentsProblem Recent Solvers79
Suggested Problems
-
2386 Solvers
-
Remove the polynomials that have positive real elements of their roots.
1702 Solvers
-
505 Solvers
-
Create an n-by-n null matrix and fill with ones certain positions
621 Solvers
-
216 Solvers
More from this Author10
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!