[EA] section

[EA] section is required only if you use EA (algo = EA)

Name	Value	Default	Description
`n_pop`	int		Population from second generation.
`n_crsov`	int		The number of structures generated by crossover.
`n_perm`	int		The number of structures generated by permutation.
`n_strain`	int		The number of structures generated by strain.
`n_rand`	int		The number of structures generated randomly.
`n_elite`	int		The number of elite structures.
`fit_reverse`	bool	`False`	If `False`, minimal search.
`n_fittest`	int	`None`	The number of structures which can survive.
`slct_func`	`TNM`, `RLT`		Select function.
`t_size`	int	3	Only used with `slct_func = TNM`. Tournament size.
`a_rlt`	float	10.0	Only used with `slct_func = RLT`. Parameter for linear scaling.
`b_rlt`	float	1.0	Only used with `slct_func = RLT`. Parameter for linear scaling.
`crs_lat`	`equal`, `random`	`equal`	How to mix lattice vectors.
`nat_diff_tole`	int	4	Tolerance for difference in the number of atoms in crossover.
`ntimes`	int	1	The number of times in permutation.
`sigma_st`	float	0.5	Standard deviation for strain.
`maxcnt_ea`	int	50	Maximum number of trials in EA.
`maxgen_ea`	int	0	Maximum generation.
`emax_ea`	float	`None`	Upper limit of energy in selecting parents.
`emin_ea`	float	`None`	Lower limit of energy in selecting parents.