Finding threshold of matrix

3 views (last 30 days)
MSP
MSP on 16 Sep 2017
Commented: Walter Roberson on 16 Sep 2017
Suppose u have a matrix A with rand (i.e 0-1). Now a threshold(x) of A is to be determined so that 70% of values of the given matrix A are greater than the threshold(x).

Answers (1)

Walter Roberson
Walter Roberson on 16 Sep 2017
sort() and index 3/10 of the way through.
  2 Comments
Walter Roberson
Walter Roberson on 16 Sep 2017
Yes. See the Algorithms section of https://www.mathworks.com/help/stats/prctile.html#btgyzpd-1 which describes the algorithm prctile uses.

Sign in to comment.

Categories

Find more on Sparse Matrices in Help Center and File Exchange

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by