Problem 44324. Rewrite setdiff to account for non-unique values

Created by James

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>Setdiff(a,b) is a function that will remove all values of b from a. Sometimes, you need this function to do a little bit extra, though. Write a newer version of setdiff that will take into account numbers appearing multiple times in a. For example:</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>a=[8 7 6 5 4 3 2 1 1]; b=[1 3 4 5 6 7];</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>In this example, setdiff(a,b) would return [2 8], since only 2 and 8 are not included in a. However, there are two \"1\" values in a, and only one \"1\" in b, so new_setdiff should return [1 2 8]. Your output vector should be sorted from low to high.</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>You can assume that there are no Inf or NaN in either vector, and that no values will appear in b more times than will appear in 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

28 Solutions
13 Solvers

Last Solution submitted on Aug 21, 2020

Last 200 Solutions

Problem Recent Solvers13

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 44324. Rewrite setdiff to account for non-unique values

Solution Stats

Last 200 Solutions

Problem Recent Solvers13

Suggested Problems

More from this Author80

Problem Tags

Community Treasure Hunt

Problem 44324. Rewrite setdiff to account for non-unique values

Solution Stats

Last 200 Solutions

Problem Recent Solvers13

Suggested Problems

More from this Author80

Problem Tags

Community Treasure Hunt

Players