Template Function sequant::mbpt::detail::nns_projection_weights

• Defined in File biorthogonalization.hpp

Function Documentation

template<typename T>
const std::vector<T> &sequant::mbpt::detail::nns_projection_weights(std::size_t n_particles, double pseudoinverse_threshold = default_biorthogonalizer_pseudoinverse_threshold)

Provides NNS projection weights for a given rank.

Template Parameters:

T – The numeric type (must be floating point or complex)

Parameters:

• n_particles – The rank of external index pairs

• threshold – The threshold to compute the pseudoinverse matrix (set to default_biorthogonalizer_pseudoinverse_threshold)

Returns:

(memoized) Vector of hrdcoded/computed NNS projection weights