Posted By:
23 Mar, 2013 12:24 pm PDT

obtaining roots of a polynomial equation

I have a polynomial x^4 - 4x^3 -1x^2 +16x-12 =0.


I want to calculate the roots of this polynoimial.

  • The roots should be:
    -2.0000
    3.0000
    2.0000
    1.0000
Attachment:None


to find the roots of a polynomial, use the command roots as follows:

>>A = [1,-4,-1,16-12]

>>roots(A)

 

you can create polynomial from roos using poly command.

Please watch the video for details

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