Problem 1812. Tridiagonal

Created by Disha

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>Return an n-by-n matrix that has a, b, c as the subdiagonal, main diagonal, and superdiagonal entries in the matrix.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Example</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[ a=1\n b=2\n c=3\n n=5\n T =  [2     3     0     0     0;\n       1     2     3     0     0;\n       0     1     2     3     0;\n       0     0     1     2     3;\n       0     0     0     1     2]]]></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

189 Solutions
87 Solvers

Last Solution submitted on Sep 22, 2020

Last 200 Solutions

Problem Comments

4 Comments

4 Comments

Show 1 older comment

J.R.! Menzinger on 14 Aug 2013

did you mean n=4 and not d=4?? ;-)

Nicolae Preda on 14 Aug 2013

it seems that the test code is broken n!=d

Ned Gulley on 15 Aug 2013

I fixed the test suite so that n is used instead of d.

goc3 on 15 Mar 2017

Additional test cases have been added.

Problem Recent Solvers87

Problem Tags

matrices

Community Treasure Hunt

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

Start Hunting!

Problem 1812. Tridiagonal

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers87

Suggested Problems

More from this Author2

Problem Tags

Community Treasure Hunt

Problem 1812. Tridiagonal

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers87

Suggested Problems

More from this Author2

Problem Tags

Community Treasure Hunt

Players