lanczosMatImpl()

template<typename Scalar >

auto syten::Krylov::ClassicImpl::Detail::lanczosMatImpl	(	std::vector< SRDef > const &	a,
		std::vector< SRDef > const &	b
	)

lanczosMatImpl returns a tridiagonal Matrix as needed in Lanczos algorithm

Parameters

a	the diagonal entries
b	the off-diagonal entries. the first entry is not used

References std::vector< T >::back(), syten::Krylov::ClassicImpl::Detail::lanczosMatImpl(), and std::vector< T >::size().

Referenced by syten::Krylov::ClassicImpl::Detail::lanczosMatImpl().

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