Problem 45842. Swap the first and last columns (★★)

Created by Anirban Pal

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>(copy of Prob 19)</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All other columns should be left intact. Return the result in matrix B.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>If the input has one column, the output should be identical to the input.</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[ Input  A =  [ 12  4   7\n                5  1   4 ];\n Output B is [  7  4  12 \n                4  1   5 ];]]></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

35 Solutions
15 Solvers

Last Solution submitted on Sep 20, 2020

Last 200 Solutions

Solution Comments

Solution 2511140

1 Comment

1 Comment

rajkumar k on 10 Jun 2020

check the B_correst for test case 3

Problem Recent Solvers15

Problem Tags

matrix manipulation

Problem 45842. Swap the first and last columns (★★)

Solution Stats

Last 200 Solutions

Solution Comments

Problem Recent Solvers15

Suggested Problems

More from this Author42

Problem Tags

Problem 45842. Swap the first and last columns (★★)

Solution Stats

Last 200 Solutions

Solution Comments

Problem Recent Solvers15

Suggested Problems

More from this Author42

Problem Tags

Players