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NLESC-JCER / spectra

A header-only C++ library for large scale eigenvalue problems
https://spectralib.org
Mozilla Public License 2.0
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Setting up initial search space #10

Open JensWehner opened 4 years ago

JensWehner commented 4 years ago

The Davidson algorithm needs an initial search space,

the base class will provide a second interface computeWithGuess which adds another input parameter consisting of a matrix containing the initial search space as columns. If compute is called a default search space is set up using unitvectors from sorting the diagonal entries.

felipeZ commented 4 years ago

There is an implementation of the initial search space for DPR #21