Solve a 4th degree polynomial using vector

1 view (last 30 days)
Abdullah AlMana
Abdullah AlMana on 5 Nov 2013
Answered: Sean de Wolski on 5 Nov 2013
I have this 4th degree polynomial y = 5*65.836*x^4 - 4*195.93*x^3 + 3*231.34*x^2 - 2*135.85*x + 39.902
I have multiple values of Y, exactly 92 values and I want the corresponding X for each. The Y values are in vector and I want the X answers to be in a vector.

Sign in to answer this question.

Answers (1)

Sean de Wolski
Sean de Wolski on 5 Nov 2013
I would subtract through by y and use fzero to solve for x.
doc fzero

Categories

Find more on Polynomials in Help Center and File Exchange

Tags

Products

Community Treasure Hunt

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

Start Hunting!