Problem 1090. Create a random logical vector of N elements of which M are true.

Created by J-G van der Toorn

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>Your task for tomorrow is to create a random binary (logical) vector of N elements of which M are true.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>For example:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[random_binary(10,4)]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>could result in</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[[1 0 0 1 1 0 0 0 1 0]]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>This task is related to</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://www.mathworks.nl/matlabcentral/cody/problems/1089\"><w:r><w:t>problem 1089</w:t></w:r></w:hyperlink><w:r><w:t>.</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

313 Solutions
81 Solvers

Last Solution submitted on Nov 15, 2020

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

Massimo Zanetti on 8 Oct 2016

This Test suite sucks.. it does not let pass a right solution.........

Solution Comments

Solution 1114335

1 Comment

1 Comment

Daniel Pereira on 2 Feb 2017

The test suite does not check that y has n elements.

Problem Recent Solvers81

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 1090. Create a random logical vector of N elements of which M are true.

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers81

Suggested Problems

More from this Author31

Problem Tags

Community Treasure Hunt

Problem 1090. Create a random logical vector of N elements of which M are true.

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers81

Suggested Problems

More from this Author31

Problem Tags

Community Treasure Hunt

Players