Problem 155. All your base are belong to us

Created by the cyclist

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>Find the base</w:t></w:r><w:r><w:t> </w:t></w:r><w:r><w:rPr><w:i/></w:rPr><w:t>b</w:t></w:r><w:r><w:t> logarithm of the input decimal number</w:t></w:r><w:r><w:t> </w:t></w:r><w:r><w:rPr><w:i/></w:rPr><w:t>x</w:t></w:r><w:r><w:t>. Express the output as a decimal number. The first argument is the number</w:t></w:r><w:r><w:t> </w:t></w:r><w:r><w:rPr><w:i/></w:rPr><w:t>x</w:t></w:r><w:r><w:t>, and the second argument is the base</w:t></w:r><w:r><w:t> </w:t></w:r><w:r><w:rPr><w:i/></w:rPr><w:t>b</w:t></w:r><w:r><w:t>.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Examples</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[ logb(1024,2)    ---> 10\n\n logb(25,5)      --->  2\n\n logb(100000,10) --->  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

717 Solutions
464 Solvers

Last Solution submitted on Feb 02, 2021

Last 200 Solutions

Problem Comments

Solution Comments

Solution 179240

2 Comments

2 Comments

sea knowledge on 19 Dec 2012

what the hell?why my code can work on my computer?while it report error here

the cyclist on 19 Dec 2012

It looks like your solution uses the symbolic math toolbox. I am assuming that that is not available to Cody solutions.

Problem Recent Solvers464

Problem Tags

basic matlab logarithm base

Community Treasure Hunt

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

Start Hunting!

Problem 155. All your base are belong to us

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers464

Suggested Problems

More from this Author23

Problem Tags

Community Treasure Hunt

Problem 155. All your base are belong to us

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers464

Suggested Problems

More from this Author23

Problem Tags

Community Treasure Hunt

Players