Problem 44359. 5th Time's a Charm

Created by goc3

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{"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>Write a function that will return the input value. However, your function must fail the first four times, only functioning properly every fifth time. Furthermore, the first four times the function is called, successively closer, but not correct, values must be supplied by the function.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:t>For example, if x = 10, you may return any number not equal to 10 the first function call. Here, we will return 27. Then, the second function call must return a value between 27 and 10, but not equal to either, and so on, until 10 is returned the fifth time.</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>"}]}

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705 Solutions
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Last Solution submitted on Aug 10, 2020

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Andrew Newell on 1 Dec 2017

Strange - the test suites are not independent. I thought they normally were.

Sushovan Basu on 8 Dec 2017

Yes Andrew, they are not. I also had to struggle with the same, when only the first input data passed and rest failed.

Christian Torregrosa Koch on 14 Dec 2017

I can't get a way to solve this problem. Some hint?

Hans Kramer on 25 Apr 2018

Can't solve this either. Not even a clue on how to do it.

Nikolaos Nikolaou on 17 Feb 2020

Hint see documentation for presistent variables
PS : last test case is evil

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approach approximation charm cody5 converge convergence fail five wrong

Problem 44359. 5th Time's a Charm

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Problem 44359. 5th Time's a Charm

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