Getting the indices from a matrice. Inspired by Problem 645. Getting the indices from a vector by the great Doug Hull. Given a matrix A (or a vector), return the indices (always in row) where A is greater than scalar, thresh. More instructive without FIND instruction.
Solution Stats
Problem Comments
Solution Comments
-
2 Comments
Habeeb Ali
on 27 Dec 2016
why it is wrong
Jean-Marie Sainthillier
on 3 Jan 2017
The last transpose is wrong.
Problem Recent Solvers289
Suggested Problems
-
2161 Solvers
-
Replace NaNs with the number that appears to its left in the row.
1814 Solvers
-
Change the sign of even index entries of the reversed vector
228 Solvers
-
2904 Solvers
-
331 Solvers
More from this Author43
Problem Tags
Select a Web Site
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: .
Select web siteYou can also select a web site from the following list:
Americas
- América Latina (Español)
- Canada (English)
- United States (English)
Europe
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)