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Questions tagged [fitness-functions]

Use for questions involving fitness functions.

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2
votes
0answers
46 views

Is a neural network the correct approach to optimising a fitness function in a genetic algorithm?

I've written an application to help players pick the optimal heroes during the draft phase of the Heroes of the Storm MOBA. It can be daunting to pick from 80+ characters that have synergies/counters ...
0
votes
1answer
818 views

How to calculate fitness function of 8-queens problem?

In evolutionary computation and in particular in the context of genetic algorithms, there is a stochastic operation called "fitness function". The better a state, the greater the value of the fitness ...
6
votes
3answers
645 views

How to create a good fitness function?

In genetic algorithms, a function called "fitness" (or "evaluation") function is used to determine the "fitness" of the chromosomes. Creating a good fitness function is one of the challenging tasks in ...
2
votes
1answer
60 views

How can a genetic algorithm adapt and get better in a changing environment?

I've just started studying genetic algorithms and I'm not able to understand why a genetic algorithm can improve if, at each learning, the 'world' that the population encounters change. For example, ...
1
vote
1answer
188 views

Fitness function in genetic algorithm based on an interval

I am writing an app, where when a ball is shot from a canon it is supposed to land in a hole which is on a given distance. The ball is supposed to land between the distance of the begining of the hole ...
4
votes
2answers
78 views

Help with dual parameter fitness function

Summary: I am teaching bots to pick food on a playing field. Some food is poisonous and some is good. Food Details: Poisonous food subtracts score points and good food adds. Food points vary based ...
1
vote
2answers
282 views

adjusted fitness in NEAT algorithm

I'm learning about NEAT from the following paper: http://nn.cs.utexas.edu/downloads/papers/stanley.ec02.pdf I'm having trouble understanding how adjusted fitness penalizes large species and prevents ...
5
votes
3answers
886 views

What is an appropriate fitness function for a simulated self-driving car?

I have been working for ages on a neuro-evolution AI program, where cars learn how to race around a track. Presently, I have a rudimentary fitness function that awards points for every degree ...