STensor syten::IPEPSv2::expectation_value | ( | State const & | psi, |
CornerTransferMatrix const & | ctm, | ||
SumOp const & | op | ||
) |
Calculates the expectation value of the state psi
with respect to the sum operator op
using the CTM ctm
.
References syten::STensorImpl::STensor::copy(), expectation_value(), syten::logGd(), std::scientific(), std::setprecision(), and std::showpos().