GA for single variable

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Swapnil Kavitkar
Swapnil Kavitkar on 23 Jul 2021
Commented: Chunru on 23 Jul 2021
Can I use genetic algorithm for single variable constrained optimization?
my function is f (x) = a/(x-log(x/t))
s.t. f(x) < 1
where a & t are constants

Answers (1)

Chunru
Chunru on 23 Jul 2021
Edited: Chunru on 23 Jul 2021
Yes, you can. Howerver, no gurantee of the optimal solution (just like any other non-linear optimization approaches).
a = 1;
t = 1;
xopt = ga(@(x) min(a./(x-log(x/t)), 1), 1)
Optimization terminated: stall generations limit exceeded.
xopt = -555.4795
a./(xopt-log(xopt/t))
ans = -0.0018 + 0.0000i
  2 Comments
Swapnil Kavitkar
Swapnil Kavitkar on 23 Jul 2021
what about population, mutation ,crossover?? GA options
Chunru
Chunru on 23 Jul 2021
"doc ga" to find out all the options available.

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