Polynomials with multiple roots solved

Solving multiple roots polynomial, using simple elementary arithematic operations mostly.

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Cite As

Feng Cheng Chang (2026). Polynomials with multiple roots solved (https://uk.mathworks.com/matlabcentral/fileexchange/25375-polynomials-with-multiple-roots-solved), MATLAB Central File Exchange. Retrieved .

General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
Version Published Release Notes Action
1.9.0

Correct a tiny bug, pinpointed by a reader.

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1.8.0

Minor correction to poly_roots.m

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1.7.0

Update the original source code. It involves only simple elementary operations, except 'roots.m'. It may easily convert into multiple precision later.

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1.6.0

add some examples

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1.5.0

Update the m-file to speed up operations. Also present 17 typical examples for test polynomials in MATLAB script file.

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1.2.0

Update m-file -- improve help description

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1.1.0

Update the m-file, the very small roots can thus be solved.

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1.0.0

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