uni20::tensor_network::TwoSiteDmrgStepResult< Real, InstalledBond > Struct Template Reference

Diagnostics and selected bond data from one DMRG bond update. More...

#include <two_site_dmrg.hpp>

Collaboration diagram for uni20::tensor_network::TwoSiteDmrgStepResult< Real, InstalledBond >:

Public Attributes
InstalledBond	bond
	Selected Schmidt spectrum and truncation diagnostics.
MpsSweepDirection	direction
	Direction in which the canonical center moved.
std::size_t	first_site
	Index of the left site in the optimized pair.
int	iteration_count
	Number of Lanczos projection steps.
Real	local_energy
	Lowest local Ritz value before SVD truncation.
int	matvec_count
	Number of effective-Hamiltonian applications.
Real	residual_bound
	Residual bound reported for the installed Ritz vector.

Detailed Description

template<uni20::Real Real, class InstalledBond>
struct uni20::tensor_network::TwoSiteDmrgStepResult< Real, InstalledBond >

Diagnostics and selected bond data from one DMRG bond update.

Template Parameters

Real	Real component type of the MPS scalar.
InstalledBond	Diagonal spectrum and truncation result type.

Member Data Documentation

bond

template<uni20::Real Real, class InstalledBond >

InstalledBond uni20::tensor_network::TwoSiteDmrgStepResult< Real, InstalledBond >::bond

Selected Schmidt spectrum and truncation diagnostics.

direction

template<uni20::Real Real, class InstalledBond >

MpsSweepDirection uni20::tensor_network::TwoSiteDmrgStepResult< Real, InstalledBond >::direction

Direction in which the canonical center moved.

first_site

template<uni20::Real Real, class InstalledBond >

std::size_t uni20::tensor_network::TwoSiteDmrgStepResult< Real, InstalledBond >::first_site

Index of the left site in the optimized pair.

iteration_count

template<uni20::Real Real, class InstalledBond >

int uni20::tensor_network::TwoSiteDmrgStepResult< Real, InstalledBond >::iteration_count

Number of Lanczos projection steps.

local_energy

template<uni20::Real Real, class InstalledBond >

Real uni20::tensor_network::TwoSiteDmrgStepResult< Real, InstalledBond >::local_energy

Lowest local Ritz value before SVD truncation.

matvec_count

template<uni20::Real Real, class InstalledBond >

int uni20::tensor_network::TwoSiteDmrgStepResult< Real, InstalledBond >::matvec_count

Number of effective-Hamiltonian applications.

residual_bound

template<uni20::Real Real, class InstalledBond >

Real uni20::tensor_network::TwoSiteDmrgStepResult< Real, InstalledBond >::residual_bound

Residual bound reported for the installed Ritz vector.

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The documentation for this struct was generated from the following file:

• two_site_dmrg.hpp