Assume that x is an n-by-2 matrix. The aim is to return the first column of x, but sorted according to the second column.
Example:
Input = [1 2 3 4 5;
4 3 1 2 2]'
Output = [3 4 5 2 1]'
Solution Stats
Problem Comments
2 Comments
Solution Comments
Show comments
Loading...
Problem Recent Solvers314
Suggested Problems
-
Project Euler: Problem 8, Find largest product in a large string of numbers
1305 Solvers
-
Getting the indices from a vector
11786 Solvers
-
505 Solvers
-
07 - Common functions and indexing 2
422 Solvers
-
Deleting an element in a matrix
490 Solvers
More from this Author1
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
Please! Can you explain more than that?
Aye! The first column is not "sorted according the second column" (only half an explanation). The block of numbers in each row is treated as a fixed unit, and each row is rearranged such that the values in the second column are sorted in ascending order.