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Functions | |
template<typename T1 > | |
arma_warn_unused T1::elem_type | trace (const Base< typename T1::elem_type, T1 > &X) |
Immediate trace (sum of diagonal elements) of a square dense matrix. | |
template<typename T1 > | |
arma_warn_unused T1::elem_type | trace (const Op< T1, op_diagmat > &X) |