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].

Solve

Solution Stats

1104 Solutions

312 Solvers

Last Solution submitted on Apr 21, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers312

akihisa yorozu Ankitkumar Ratan Lorenzo Hannah Langer

Suggested Problems

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!