Problem 53. Duplicates

Created by Cody Team

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>Write a function that accepts a cell array of strings and returns another cell array of strings</w:t></w:r><w:r><w:t> </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>with only the duplicates</w:t></w:r><w:r><w:t> retained.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Examples:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[ Input  strs = {'a','b','a'}\n Output dups is 'a'\n\n Input  strs = {'a','b','c'}\n Output dups is Empty cell array: 0-by-1]]></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

3779 Solutions
2070 Solvers

Last Solution submitted on Sep 29, 2023

Last 200 Solutions

Problem Comments

4 Comments

4 Comments

Show 1 older comment

Jean-Marie Sainthillier on 24 May 2014

Why not just an isequal(correct,result) in the tests?
Consequently, a lot of solutions leave duplicates in the result.

Erik Zdansky on 7 Feb 2016

How should higher multiplets be treated?

mehmet muhammet cesur on 8 Jun 2020

güzell

Ahmed Nazir on 1 Oct 2020

Useful function => unique, countcats, categorical

Solution:
https://github.com/AhmedNazir/MatlabCody/blob/master/duplicates.m

Solution Comments

Show comments

Problem Recent Solvers2070

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 53. Duplicates

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers2070

Suggested Problems

More from this Author96

Problem Tags

Community Treasure Hunt

Problem 53. Duplicates

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers2070

Suggested Problems

More from this Author96

Problem Tags

Community Treasure Hunt

Players