Problem 1203. Reference Index Number
Given a reference set R of elements (each unique but identical in type), and a list V of elements drawn from the set R, possibly with duplicates, return K such that R(K) == V. The elements of R may be numeric or string.
For example, refIndex(9:-1:5,[7 5 6 5]) should return [3 5 4 5].
Solution Stats
Problem Comments
-
1 Comment
Nicholas Howe
on 14 Jan 2013
Can this be done efficiently using regexp?
Solution Comments
Show commentsProblem Recent Solvers241
Suggested Problems
-
Make a random, non-repeating vector.
8750 Solvers
-
Find the maximum number of decimal places in a set of numbers
2739 Solvers
-
Implement simple rotation cypher
1053 Solvers
-
Find nearest prime number less than input number
700 Solvers
-
Circular Primes (based on Project Euler, problem 35)
479 Solvers
More from this Author11
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!