Problem 1158. Sum the elements in either diagonal of a square matrix

Created by Tom Holz

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>Sum the elements of a square matrix that lie on either the major diagonal or anti-diagonal. (Include all elements that are part of either of the diagonals).</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

570 Solutions
172 Solvers

Last Solution submitted on Nov 12, 2020

Last 200 Solutions

Problem Comments

3 Comments

3 Comments

Gareth Lee on 1 May 2015

the description of your problem is wrong, not the same as test suits. the either..or... should be both...and...

Tom Holz on 31 May 2017

I updated the description to clarify the ambiguity mentioned by Gareth Lee on 1 May 2015.

Tom Holz on 31 May 2017

With apologies for the 2 year delay, I've updated the description to be a little more explicit.

Solution Comments

Solution 303032

1 Comment

1 Comment

Tom Holz on 30 Dec 2013

I hadn't seen this approach to masking the complexity of a solution before. Obvious in hindsight of course.

Problem Recent Solvers172

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 1158. Sum the elements in either diagonal of a square matrix

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers172

Suggested Problems

More from this Author2

Problem Tags

Community Treasure Hunt

Problem 1158. Sum the elements in either diagonal of a square matrix

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers172

Suggested Problems

More from this Author2

Problem Tags

Community Treasure Hunt

Players