NESSi  v1.0.2
The NonEquilibrium Systems Simulation Library

◆ left_multiply() [2/2]

template<typename T >
void cntr::herm_matrix_timestep< T >::left_multiply ( int  tstp,
function< T > &  ft,
weight = 1.0 
)

Left-multiplication of the herm_matrix_timestep with a contour function

Purpose

Right-multiplication of the herm_matrix_timestep with a time dependent contour function F(t) i.e. it performs operation \(G(t,t^\prime) \rightarrow w F(t)G(t,t^\prime)\)

Parameters
tstp

[int] The time step at which \(F(t)\) and \(G(t,t^\prime)\) are multiplied.

ft

the contour function F(t)

weight

some number (weight)

Definition at line 1599 of file cntr_herm_matrix_timestep_impl.hpp.

References cntr::function< T >::nt(), and cntr::function< T >::ptr().

1599  {
1600  assert(tstp == tstp_);
1601  assert( ft.nt() >= tstp_);
1602 
1603  this->left_multiply(ft.ptr(-1), ft.ptr(0), weight);
1604 }
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