Problem 59. Pattern matching

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>Given a matrix, m-by-n, find all the rows that have the same \"increase, decrease, or stay same\" pattern going across the columns as the first row does. Do not list the row as a match to itself.</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[ Input  a = [1 2 3 0\n             5 6 7 9\n             2 7 8 7]\n Output b is 3]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>since the third column follows the increase-increase-decrease pattern used in vector a.</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

5998 Solutions
2454 Solvers

Last Solution submitted on Jun 07, 2023

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

Oleg Komarov on 28 Jan 2012

Not column, but row wise.

Solution Comments

Show comments

Problem Recent Solvers2454

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 59. Pattern matching

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers2454

Suggested Problems

More from this Author96

Problem Tags

Community Treasure Hunt

Problem 59. Pattern matching

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers2454

Suggested Problems

More from this Author96

Problem Tags

Community Treasure Hunt

Players