Functions | |
template<typename T1 > | |
const Op< T1, op_sum > | sum (const Base< typename T1::elem_type, T1 > &X, const u32 dim=0) |
Delayed sum of elements of a matrix along a specified dimension (either rows or columns). The result is stored in a dense matrix that has either one column or one row. For dim = 0, find the sum of each column. For dim = 1, find the sum of each row. The default is dim = 0. NOTE: this function works differently than in Matlab/Octave. | |
template<typename eT > | |
eT | sum (const Row< eT > &X) |
Immediate 'sum all values' operation for a row vector. | |
template<typename eT > | |
eT | sum (const Col< eT > &X) |
Immediate 'sum all values' operation for a column vector. | |
template<typename T1 > | |
T1::elem_type | sum (const Op< T1, op_sum > &in) |
Immediate 'sum all values' operation, invoked, for example, by: sum(sum(A)). | |
template<typename T1 > | |
const Op< Op< T1, op_sum > , op_sum > | sum (const Op< T1, op_sum > &in, const u32 dim) |
template<typename eT > | |
eT | sum (const subview_row< eT > &X) |
sum all values of a subview_row | |
template<typename eT > | |
eT | sum (const subview_col< eT > &X) |
sum all values of a subview_col | |
template<typename eT > | |
eT | sum (const diagview< eT > &X) |
sum all values of a diagview |
const Op<T1, op_sum> sum | ( | const Base< typename T1::elem_type, T1 > & | X, | |
const u32 | dim = 0 | |||
) | [inline] |
Delayed sum of elements of a matrix along a specified dimension (either rows or columns). The result is stored in a dense matrix that has either one column or one row. For dim = 0, find the sum of each column. For dim = 1, find the sum of each row. The default is dim = 0. NOTE: this function works differently than in Matlab/Octave.
Definition at line 31 of file fn_sum.hpp.
References Base< elem_type, derived >::get_ref().
Referenced by diskio::gen_tmp_name().
00032 { 00033 arma_extra_debug_sigprint(); 00034 00035 return Op<T1, op_sum>(X.get_ref(), dim, 0); 00036 }
eT sum | ( | const Row< eT > & | X | ) | [inline] |
Immediate 'sum all values' operation for a row vector.
Definition at line 44 of file fn_sum.hpp.
References accu().
00045 { 00046 arma_extra_debug_sigprint(); 00047 00048 return accu(X); 00049 }
eT sum | ( | const Col< eT > & | X | ) | [inline] |
Immediate 'sum all values' operation for a column vector.
Definition at line 58 of file fn_sum.hpp.
References accu().
00059 { 00060 arma_extra_debug_sigprint(); 00061 00062 return accu(X); 00063 }
Immediate 'sum all values' operation, invoked, for example, by: sum(sum(A)).
Definition at line 74 of file fn_sum.hpp.
References accu(), and Op< T1, op_type >::m.
00075 { 00076 arma_extra_debug_sigprint(); 00077 arma_extra_debug_print("sum(): two consecutive sum() calls detected"); 00078 00079 return accu(in.m); 00080 }
const Op<Op<T1, op_sum>, op_sum> sum | ( | const Op< T1, op_sum > & | in, | |
const u32 | dim | |||
) | [inline] |
Definition at line 87 of file fn_sum.hpp.
00088 { 00089 arma_extra_debug_sigprint(); 00090 00091 return Op<Op<T1, op_sum>, op_sum>(in, dim, 0); 00092 }
eT sum | ( | const subview_row< eT > & | X | ) | [inline] |
sum all values of a subview_row
Definition at line 100 of file fn_sum.hpp.
References accu().
00101 { 00102 arma_extra_debug_sigprint(); 00103 00104 return accu(X); 00105 }
eT sum | ( | const subview_col< eT > & | X | ) | [inline] |
sum all values of a subview_col
Definition at line 113 of file fn_sum.hpp.
References accu().
00114 { 00115 arma_extra_debug_sigprint(); 00116 00117 return accu(X); 00118 }
eT sum | ( | const diagview< eT > & | X | ) | [inline] |
sum all values of a diagview
Definition at line 126 of file fn_sum.hpp.
References accu().
00127 { 00128 arma_extra_debug_sigprint(); 00129 00130 return accu(X); 00131 }