Problem 611. surrounded matrix

Created by Grzegorz Knor

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>With a given matrix A (size m x n) create a matrix B (size m+2 x n+2) so that the matrix A is surrounded by ones:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[A = [1 2 3\n     3 2 1]\n\nB = [1 1 1 1 1\n     1 1 2 3 1\n     1 3 2 1 1\n     1 1 1 1 1]]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>or</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[A = 4\n\nB = [ 1 1 1\n      1 4 1\n      1 1 1]]]></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

2015 Solutions
718 Solvers

Last Solution submitted on Aug 13, 2020

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

goc3 on 24 Feb 2017

Additional test cases have been added.

William Katzianer on 11 Aug 2018

nice way to learn about matrix concatenation

Problem Recent Solvers718

Problem Tags

matrices

Problem 611. surrounded matrix

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers718

Suggested Problems

More from this Author9

Problem Tags

Problem 611. surrounded matrix

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers718

Suggested Problems

More from this Author9

Problem Tags

Players