Problem 1203. Reference Index Number

Created by Nicholas Howe

Solve Later

{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","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\"?><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 reference set R of elements (each unique but identical in type), and a list V of elements drawn from the set R, possibly with duplicates, return K such that R(K) == V. The elements of R may be numeric or string.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:t>For example, refIndex(9:-1:5,[7 5 6 5]) should return [3 5 4 5].</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

475 Solutions
142 Solvers

Last Solution submitted on May 05, 2021

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

Nicholas Howe on 14 Jan 2013

Can this be done efficiently using regexp?

Solution Comments

Solution 190833

1 Comment

1 Comment

jianrui fan on 12 Jul 2019

so simple and clear

Problem Recent Solvers142

Problem Tags

indexing

Community Treasure Hunt

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

Start Hunting!

Problem 1203. Reference Index Number

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers142

Suggested Problems

More from this Author11

Problem Tags

Community Treasure Hunt

Problem 1203. Reference Index Number

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers142

Suggested Problems

More from this Author11

Problem Tags

Community Treasure Hunt

Players