Calculate individual fitness
Meet the conditions
Y
Determine the topology of the network
Mutate
Get the best weights and thresholds
Select
The error of the training of BP neural network are used as the fitness
N
Initialization of weights and thresholds of BP neural network
Part of BP neural network
calculate error
Change the weights and thresholds
Initial coding of population
Cross
Genetic algorithm part
Tomorrow AQI forecast output
