Return variance of Expr
optionally neglecting values == nan
and optionally store mean
to pointed address.
double ltl::variance | ( | const ExprBase< Expr, N > & | e, | |
double *const | avg = NULL | |||
) | [inline] |
References ltl::average(), ltl::ExprBase< Derived_T, N_Dims >::derived(), and ltl::ExprNode< A, N >::reset().
Referenced by ltl::kappa_sigma_average(), and ltl::stddev().