Problem 824. Set the array elements whose value is 13 to 0

Created by Aurelien Queffurust

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>Input A either an array or a vector (which can be empty)</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Output B will be the same size as A . All elements of A equal to 13 (if any) must be replaced by zero.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>For example:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[A = [15 13 3]]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>output B is:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[B= [15 0 3]]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>The difficulty in this problem is that the following commands</w:t></w:r><w:r><w:t> </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>FOR , WHILE , FIND and IND2SUB cannot be used.</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

3058 Solutions
1278 Solvers

Last Solution submitted on Jan 23, 2023

Last 200 Solutions

Problem Comments

3 Comments

3 Comments

Isha Desai on 11 Oct 2017

this is a good problem

Asif Newaz on 25 Nov 2019

damn man!!! i just tore my head off to solve this then i figured there is a very very simple way to do that

Israt Jahan on 21 Jun 2020

A simple yet good problem. It made me think outside of using if and for loop.

Solution Comments

Solution 5093512

1 Comment

1 Comment

Szász Botond on 17 Mar 2021

Very nice! It's just ones row but ver clever!

Solution 1604575

1 Comment

1 Comment

jj L on 9 Aug 2018

Good!

Solution 1394725

1 Comment

1 Comment

Anil Sarode on 26 Dec 2017

This problem made me think and force me drop my all weapons(predefined function ) even for loop ,and while loop

Solution 1102108

1 Comment

1 Comment

Grady on 11 Jan 2017

Thanks for showing how to check for loops and other unwanted commands in the function. This is really helpful to test my students.

Problem Recent Solvers1278

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 824. Set the array elements whose value is 13 to 0

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers1278

Suggested Problems

More from this Author30

Problem Tags

Community Treasure Hunt

Problem 824. Set the array elements whose value is 13 to 0

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers1278

Suggested Problems

More from this Author30

Problem Tags

Community Treasure Hunt

Players