Problem 2215. Power supply: 230V to 115V

Created by J-G van der Toorn

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>The problem is simple: we have a wall outlet which supplies 230V and an apparatus that requires 115V.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Software is always cheaper than hardware (well, most of the time), so we solve this with a program, a Matlab function, to be precise.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Write a program that converts the supplied input voltage to the required output voltage.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:rPr><w:b/></w:rPr><w:t>If you like this problem, please like it (after solving).</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

186 Solutions
87 Solvers

Last Solution submitted on Aug 01, 2021

Last 200 Solutions

Problem Comments

1 Comment

1 Comment

Ned Gulley on 25 Feb 2014

J-G, thanks for the problem. Could you add some more information about expected inputs and outputs? An example and some more tests would be helpful too. If your test suite has exactly one test, it's trivial to write a correct answer.

Problem Recent Solvers87

Problem Tags

conversion electronics home appliances physics power transformation voltage

Community Treasure Hunt

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

Start Hunting!

Problem 2215. Power supply: 230V to 115V

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers87

Suggested Problems

More from this Author31

Problem Tags

Community Treasure Hunt

Problem 2215. Power supply: 230V to 115V

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers87

Suggested Problems

More from this Author31

Problem Tags

Community Treasure Hunt

Players