Forecasting Nonlinear Chaotic Time Series with Function Expression Method Based on an Improved Genetic-Simulated Annealing Algorithm

Table 1

Encoding rule of equation strings.

	Second coordinate	First coordinate	Pair
Operator term	1	1	+
	1	2	−
	1	3	×
	1	4	÷
Constant term	2
Variable term		1
	3	⋮	⋮
		1
	4	⋮	⋮
	⋮	⋮	⋮