Problem 2991. Finding an element in a vector

Created by Yaz Majeed

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>x is a vector of unknown length</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>your function should return the index of the first element in the vector that is greater than 6. If all elements in x are less than 6, the function should return 'none'</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>example: x = [1 2 7 2 3 2 4 8 6]</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>output = 3</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

362 Solutions
148 Solvers

Last Solution submitted on Oct 03, 2021

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

Guillaume on 10 Feb 2015

From a usability point of view, returning a string to indicate nothing found is probably the worst. an empty value or 0 would be much better.

David Verrelli on 22 Nov 2017

Guillaume, I would say that that depends upon the intended 'audience' for the output.

Problem Recent Solvers148

Problem Tags

basics uic-bioe 240

Community Treasure Hunt

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

Start Hunting!

Problem 2991. Finding an element in a vector

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers148

Suggested Problems

More from this Author28

Problem Tags

Community Treasure Hunt

Problem 2991. Finding an element in a vector

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers148

Suggested Problems

More from this Author28

Problem Tags

Community Treasure Hunt

Players