left_multiply()

template<typename T >

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

Left-multiplication of the herm_matrix_timestep_view with a contour function

Purpose

Left-multiplication of the herm_matrix_timestep with a time dependent contour function F(t) i.e. it performs operation \(G(t,t') \rightarrow w F(t)G(t,t')\)

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 756 of file cntr_herm_matrix_timestep_view_impl.hpp.

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

                                                                                    {
   assert(tstp == tstp_);
   assert( ft.nt() >= tstp_);

   this->left_multiply(ft.ptr(-1), ft.ptr(0), weight);
}

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