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solving cubic equation by genetic algorithm

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sina
sina 2016-7-26
评论： Marieta Germanou 2022-4-18
hello
i want to a cubic equation by genetic algorithm.
is there any code for this equation in genetic algorithm.?
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Marieta Germanou
Marieta Germanou 2022-4-18
This is a multi-objective optimization problem.
You should check this out:
https://www.mathworks.com/help/gads/gamultiobj-plot-vectorize.html

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回答（2 个）

Paxorus Sahay
Paxorus Sahay 2016-7-26
The Global Optimization Toolbox might be what you're looking for. If you weren't interested in applying any constraints, your code might look like:
fitnessfcn = @(x)(polyval([1, 6, 8], x)) % quadratic fitness function
[x, fval] = ga(fitnessfcn, 1) % evolves to a local minimum
x is a locally minimizing input to fitnessfcn, and fval is the associated output. Since you're dealing with a function with -Inf as the global minimum, you may want to apply constraints. See http://www.mathworks.com/help/gads/ga.html for the full reference.
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sina
sina 2016-7-27
thanks for your answer.
My equation is : 2x^3+3x^2+3x+1=0
i wanna finding the roots of the above equation .
can find them with your code?

请先登录，再进行评论。

sina
sina 2016-7-27
thanks for your answer.
My equation is : 2x^3+3x^2+3x+1=0
i wanna finding the roots of the above equation .
can find them with your code?

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