Problem 2701. Go to the head of the class!

Created by James

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>You're given a matrix and a single number. If that number is in the matrix, reorder the matrix so that number is in the first row and first column of the matrix, and keep all of the other numbers in the same relative position. For example, your matrix is magic(3):</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[     8     1     6\n     3     5     7\n     4     9     2]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>and the number is nine. You want to change the matrix to</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[     9     2     4\n     1     6     8\n     5     7     3]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Nine is now in the (1,1) position, and all of the other numbers are in the same relative position to nine. If the number is not in the matrix, just return the original matrix. Likewise, if the number appears more than once, make sure the first instance of the number is the one that is moved to the front. Good luck!</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

144 Solutions
57 Solvers

Last Solution submitted on Sep 30, 2020

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

Christian Schröder on 14 Jul 2019

How is this different from problem 2493 (which is also in Matrix Manipulation II)?

SS K on 12 Aug 2020

This problem is exactly the same as the previous one, "Must be in the fornt row..."

Problem Recent Solvers57

Problem Tags

matrix manipulation

Community Treasure Hunt

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

Start Hunting!

Problem 2701. Go to the head of the class!

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers57

Suggested Problems

More from this Author80

Problem Tags

Community Treasure Hunt

Problem 2701. Go to the head of the class!

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers57

Suggested Problems

More from this Author80

Problem Tags

Community Treasure Hunt

Players