Problem 1991. Find the index of nth maximum of a row vector of real numbers

Created by Pavan Toraty

Solve Later

{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","targetMode":"","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","targetMode":"","relationshipId":"rId2","target":"/matlab/output.xml"}],"parts":[{"partUri":"/matlab/document.xml","relationship":[],"contentType":"application/vnd.mathworks.matlab.code.document+xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\"><w:body><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Given a vector of real numbers x, find the index idx of</w:t></w:r><w:r><w:t> </w:t></w:r><w:r><w:rPr><w:i/></w:rPr><w:t>n</w:t></w:r><w:r><w:t> th maximum value. If nth maximum occurs more than once, return the indices of all those occurences.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>Example 1:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Input: x = [2 4.5 3 1 3.33], n = 4</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Output: idx = 1, since 4th maximum is 2</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>Example 2:</w:t></w:r><w:r><w:t> Input: x = [2 4.5 3.33 3 1 3.33], n = 2</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Output: idx = [3 6], since 2nd maximum is 3.33</w:t></w:r></w:p></w:body></w:document>"},{"partUri":"/matlab/output.xml","contentType":"text/xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?><embeddedOutputs><metaData><evaluationState>manual</evaluationState><layoutState>code</layoutState><outputStatus>ready</outputStatus></metaData><outputArray type=\"array\"/><regionArray type=\"array\"/></embeddedOutputs>"}]}

Solve

Solution Stats

58 Solutions
33 Solvers

Last Solution submitted on Sep 14, 2020

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

Pavan Toraty on 16 Nov 2013

Apologies.Test case 8 is corrected now.

Solution Comments

Solution 352288

2 Comments

2 Comments

Alfonso Nieto-Castanon on 15 Nov 2013

in test 8 I believe it should read either "n=3" or "y_correct=2" (the second highest value is 4.5, not pi)...

Crapoo Crapoo on 15 Nov 2013

I agree...

Problem Recent Solvers33

Problem Tags

indexing

Problem 1991. Find the index of nth maximum of a row vector of real numbers

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers33

Suggested Problems

More from this Author3

Problem Tags

Problem 1991. Find the index of nth maximum of a row vector of real numbers

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers33

Suggested Problems

More from this Author3

Problem Tags

Players