initial_cost()

SRDef syten::MPS::BasisTransformation::ModeTransformation::initial_cost

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calculates the initial costfunction

References std::vector< T >::clear(), contrPsi, syten::diagonal(), err, syten::genSplit(), syten::Tensor< rank >::getBasis(), syten::imag(), syten::MPS::norm(), syten::real(), syten::split(), syten::sum(), syten::SVD::svd(), SYTEN_ASSERT_DEBUG, and SYTEN_ZNORM_THRESHOLD.

Referenced by apply_mt().

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