Problem 459. Sum of diagonal of a square matrix

Created by Sunu

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>If</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[ x = [1 2 4; 3 4 5; 5 6 7]]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>then y should be the sum of the diagonals of the matrix</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[ y = 1 + 4 + 7 = 12]]></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

2329 Solutions
1328 Solvers

Last Solution submitted on Jan 22, 2021

Last 200 Solutions

Problem Comments

Solution Comments

Solution 929773

1 Comment

1 Comment

Jakub Galecki on 29 Jul 2016

duuuuuuuh

Solution 413385

2 Comments

2 Comments

Ilja on 4 Mar 2014

dooh ... the solution is in test suite
>.

Jakub Galecki on 29 Jul 2016

yeah, but it's a long one

Solution 129240

1 Comment

1 Comment

Pasumarthi Viswanath on 15 Nov 2012

disgusting!!

Problem Recent Solvers1328

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 459. Sum of diagonal of a square matrix

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers1328

Suggested Problems

More from this Author1

Problem Tags

Community Treasure Hunt

Problem 459. Sum of diagonal of a square matrix

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers1328

Suggested Problems

More from this Author1

Problem Tags

Community Treasure Hunt

Players