Problem 8045. Gold Standard

Created by goc3

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>Gold has long been used as currency and a standard for currency, due to its inherent value and rarity. Historical data for gold is available at</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"http://measuringworth.com/gold/\"><w:r><w:t>Measuring Worth</w:t></w:r></w:hyperlink><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>For this problem, you will be provided with a historical year (HY) and a historical value (HV) in dollars. The function template includes data from the previously mentioned site for the value (in dollars) of an ounce of gold (GV) from 1791 to 2014. Write a function to determine the current value (CV) in dollars assuming that the gold standard can be accurately used to convert between years. Round the result to two decimal places. If HY is outside of the historical-data range, return NaN.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>As an example, with HY = 2000 and HV = 1000:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>GV(HY=2000) = $280.10</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>N = 1000/280.10 = 3.57 (ounces of gold)</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"ListParagraph\"/><w:numPr><w:numId w:val=\"1\"/></w:numPr></w:pPr><w:r><w:t>CV = 3.57*1270 (current $/ounce of gold) = $4534.09.</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

136 Solutions
41 Solvers

Last Solution submitted on Mar 11, 2023

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

Jean-Marie Sainthillier on 28 Apr 2015

Solutions graph shows clearly at least two different algorithms.

Jan Orwat on 29 Apr 2015

Nice square wave! Assuming from the template it's more like choosing between passing vector GV unchanged or str2numing it and saving ~220 on size.

Problem Recent Solvers41

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 8045. Gold Standard

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers41

Suggested Problems

More from this Author139

Problem Tags

Community Treasure Hunt

Problem 8045. Gold Standard

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers41

Suggested Problems

More from this Author139

Problem Tags

Community Treasure Hunt

Players