exp()

ProdOp syten::IPEPS::exp	(	SDef const	tau,
		SumOp const &	o,
		Lattice const &	lat,
		Index const	order
	)

Compute exp{τ·O} term-wise (first-order Trotter).

References syten::IPEPS::SumOp::description, syten::IPEPS::ProdOp::description, syten::exponentialTensorSym(), syten::genFuse(), syten::genSplit(), std::move(), syten::IPEPS::SumOp::ops, syten::IPEPS::ProdOp::ops, and syten::to_string_rd().

Referenced by syten::Krylov::SolverPolicies::Exponential::get_coeffs(), and syten::Pyten::init_ipeps_lattice().

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