fsolve to solve 5th order polynomial
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I would like to solve the following polynomial numerically for r: ![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/254403/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/254403/image.png)
I am trying to use fzero as follows:
r= (5/(r^2*9))- ((2)/(9*(6-r)^2))
x0 = 10; % some initial point
x = fzero(r,x0)
How can this be solved using fzero?
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Walter Roberson
2019-12-14
You have an equation of the form A=B. Subtract B from both sides giving an equation of the form (A) - (B) = 0. Now you can fsolve
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