Problem 401. cos for boss?

Created by AMITAVA BISWAS

Solve Later

{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","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\"?><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>a programmer had too much coffee and his boss needs cos(alpha+beta) correctly, especially when alpha or beta are close to pi/2 and the coffee is close to ninety degrees. A hint: sin() may be appropriate for some input, without committing any sin!!</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

264 Solutions
66 Solvers

Last Solution submitted on Sep 28, 2020

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

Alfonso Nieto-Castanon on 25 Feb 2012

still trying to figure it out... did you use some combination of evalin('caller','cleanCellCode',...); evalin('caller','pass',...); in your evaluation suite? otherwise, care to provide a hint?

AMITAVA BISWAS on 25 Feb 2012

a hint: sin() may be appropriate for some input!!

Solution Comments

Solution 51139

3 Comments

3 Comments

Alfonso Nieto-Castanon on 25 Feb 2012

guessed about overloading, but I am curious, how do you get those bits of code not showing up on your test suite? (also, unrelated, it is a strange world where cos(pi/4+pi/4)=1/sqrt(2)...)

Alfonso Nieto-Castanon on 25 Feb 2012

or perhaps there is just some issue with the cody machinery today, some of the 'valid' solutions seem rather 'invalid', and the size computation just plain strange...

@bmtran (Bryant Tran) on 25 Feb 2012

agreed

Solution 50811

1 Comment

1 Comment

Mark on 15 Jun 2012

Actually, I like the problem, but don't understand this particular solution.

Problem Recent Solvers66

Problem Tags

trigonometry

Problem 401. cos for boss?

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers66

Suggested Problems

More from this Author100

Problem Tags

Problem 401. cos for boss?

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers66

Suggested Problems

More from this Author100

Problem Tags

Players