Problem 1985. How unique?

Created by Jan Orwat

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>Sometimes, when we check unique entries of vector we would like to know how many times each value occurs.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Given vector of numbers</w:t></w:r><w:r><w:t> </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>A</w:t></w:r><w:r><w:t> return vector</w:t></w:r><w:r><w:t> </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>U</w:t></w:r><w:r><w:t> of unique values of A and corresponding vector</w:t></w:r><w:r><w:t> </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>H</w:t></w:r><w:r><w:t> with occurrences.</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[   in:  A = [2 2 2 3 3 2 3 8 6 5 6]\n  out:  U = [2 3 8 6 5]\n        H = [4 3 1 2 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

233 Solutions
96 Solvers

Last Solution submitted on Jun 22, 2022

Last 200 Solutions

Problem Comments

Solution Comments

Solution 400084

1 Comment

1 Comment

Jan Orwat on 6 Apr 2014

I'd noticed your solution doesn't return occurence in proper order so I extended test suite. Sorry

Solution 378950

1 Comment

1 Comment

Jan Orwat on 6 Apr 2014

Due to the upgrade of test suite your solution doesn't work anymore. Sorry.

Problem Recent Solvers96

Problem Tags

histogram occurence uniqueness

Community Treasure Hunt

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

Start Hunting!

Problem 1985. How unique?

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers96

Suggested Problems

More from this Author40

Problem Tags

Community Treasure Hunt

Problem 1985. How unique?

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers96

Suggested Problems

More from this Author40

Problem Tags

Community Treasure Hunt

Players