Classes | |
class | op_cor |
Functions | |
template<typename eT > | |
static void | op_cor::direct_cor (Mat< eT > &out, const Mat< eT > &X, const u32 norm_type) |
template<typename T > | |
static void | op_cor::direct_cor (Mat< std::complex< T > > &out, const Mat< std::complex< T > > &X, const u32 norm_type) |
template<typename T1 > | |
static void | op_cor::apply (Mat< typename T1::elem_type > &out, const Op< T1, op_cor > &in) |
void op_cor::direct_cor | ( | Mat< eT > & | out, | |
const Mat< eT > & | X, | |||
const u32 | norm_type | |||
) | [inline, static, inherited] |
Definition at line 27 of file op_cor_meat.hpp.
References Mat< eT >::is_vec(), Mat< eT >::n_rows, Mat< eT >::set_size(), stddev(), sum(), and trans().
Referenced by apply().
00028 { 00029 arma_extra_debug_sigprint(); 00030 00031 if(A.is_vec()) 00032 { 00033 out.set_size(1,1); 00034 out[0] = eT(1); 00035 } 00036 else 00037 { 00038 const u32 N = A.n_rows; 00039 const eT norm_val = (norm_type == 0) ? ( (N > 1) ? eT(N-1) : eT(1) ) : eT(N); 00040 00041 const Row<eT> acc = sum(A); 00042 const Row<eT> sd = stddev(A); 00043 00044 out = (trans(A) * A); 00045 out -= (trans(acc) * acc)/eT(N); 00046 out /= norm_val; 00047 out /= trans(sd) * sd; 00048 } 00049 }
void op_cor::direct_cor | ( | Mat< std::complex< T > > & | out, | |
const Mat< std::complex< T > > & | X, | |||
const u32 | norm_type | |||
) | [inline, static, inherited] |
Definition at line 56 of file op_cor_meat.hpp.
References conj(), stddev(), sum(), and trans().
00057 { 00058 arma_extra_debug_sigprint(); 00059 00060 typedef typename std::complex<T> eT; 00061 00062 if(A.is_vec()) 00063 { 00064 out.set_size(1,1); 00065 out[0] = eT(1); 00066 } 00067 else 00068 { 00069 const u32 N = A.n_rows; 00070 const eT norm_val = (norm_type == 0) ? ( (N > 1) ? eT(N-1) : eT(1) ) : eT(N); 00071 00072 const Row<eT> acc = sum(A); 00073 const Row<T> sd = stddev(A); 00074 00075 out = trans(conj(A)) * A; 00076 out -= (trans(conj(acc)) * acc)/eT(N); 00077 out /= norm_val; 00078 00079 //out = out / (trans(sd) * sd); 00080 out /= conv_to< Mat<eT> >::from(trans(sd) * sd); 00081 } 00082 }
void op_cor::apply | ( | Mat< typename T1::elem_type > & | out, | |
const Op< T1, op_cor > & | in | |||
) | [inline, static, inherited] |
Definition at line 89 of file op_cor_meat.hpp.
References Op< T1, op_type >::aux_u32_a, direct_cor(), and Op< T1, op_type >::m.
00090 { 00091 arma_extra_debug_sigprint(); 00092 00093 typedef typename T1::elem_type eT; 00094 00095 const unwrap_check<T1> tmp(in.m, out); 00096 const Mat<eT>& A = tmp.M; 00097 00098 const u32 norm_type = in.aux_u32_a; 00099 00100 op_cor::direct_cor(out, A, norm_type); 00101 }