Table 2.

Statistics of identified Lorenz attractor parameters by 20 A_SPSA runs at $\mathit{\delta }{\widehat{\mathit{\theta }}}_{0_{min}}=100$

	Method	s	r	b	Pred. Err. $L_{4000}$
1	A_SPSA: 20	Min.: 0.000	Min.: 0.000	Min.: 0.0000	Min.: 0.0000
2	SPSA: 0	1st Qu.: 10.000	1st Qu.: 28.000	1st Qu.: 2.6667	1st Qu.: 0.0000
3		Median: 10.000	Median: 28.000	Median: 2.6667	Median: 0.0000
4		Mean: 68.069	Mean: 31.816	Mean: 24.8487	Mean: 1.2328
5		3rd Qu.: 10.000	3rd Qu.: 28.000	3rd Qu.: 2.6667	3rd Qu.: 0.0000
6		Max.: 500.000	Max.: 156.811	Max.: 438.8246	Max.: 15.6654