trace() [1/4]

template<typename T , require_all_kernel_expressions_and_none_scalar_t< T > * = nullptr>

value_type_t< T > stan::math::trace

(

const T &

m

)

Calculates trace (sum of diagonal) of given kernel generator expression.

Template Parameters

T	type of the expression

Parameters

m	expression to calculate trace of

Returns

trace of given expression

Definition at line 22 of file trace.hpp.