Problem 44401. Vertical matrix sort

Created by Shaul Salomon

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 matrix x with n rows and m columns, return a matrix y with 2n rows and m columns, such that every column in x is sorted from low to high and then from high to low.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Example:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[x = 8  9  3  9\n    9  6  5  2\n    2  1  9  9\n\ny = 2  1  3  2\n    8  6  5  9\n    9  9  9  9\n    9  9  9  9\n    8  6  5  9\n    2  1  3  2]]></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

2015 Solutions
319 Solvers

Last Solution submitted on May 06, 2023

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

goc3 on 2 Jan 2018

Additional test cases have been added.

Solution Comments

Show comments

Problem Recent Solvers319

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 44401. Vertical matrix sort

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers319

Suggested Problems

More from this Author25

Problem Tags

Community Treasure Hunt

Problem 44401. Vertical matrix sort

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers319

Suggested Problems

More from this Author25

Problem Tags

Community Treasure Hunt

Players

WeChat