Problem 2550. Evaluating a polynomial

Created by Hananeh

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>Given the following polynomial and the value for x, determine y.</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[ y = 3x^5 – x^3 + 8x – 3]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Example</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[ x = 1\n y = 3 - 1 + 8 - 3 = 7]]></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

597 Solutions
341 Solvers

Last Solution submitted on Feb 17, 2023

Last 200 Solutions

Problem Comments

Solution Comments

Solution 531996

2 Comments

2 Comments

Sebastian Ciuban on 21 Nov 2014

function y = equation(x)
syms f z
f=3*z^5-z^3+8*z-3
y=subs(f,x)
end

why is not working?

David Verrelli on 16 Mar 2018

syms requires the Symbolic Math Toolbox, which is not available on Cody.

Problem Recent Solvers341

Problem Tags

Community Treasure Hunt

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

Start Hunting!

Problem 2550. Evaluating a polynomial

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers341

Suggested Problems

More from this Author1

Problem Tags

Community Treasure Hunt

Problem 2550. Evaluating a polynomial

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers341

Suggested Problems

More from this Author1

Problem Tags

Community Treasure Hunt

Players