simple_submodes_help

std::string syten::IterativeConfig::simple_submodes_help

static

Initial value:

{R"SUBMODES_HELP(
          + For mode 'C':
            x 'A': complete arithmetic orthogonalisation
            x 'a': standard Lanczos procedure with implied arithmetic
                   orthogonalisation of the last two vectors only
            x 'M': matrix-based reorthogonalisation based on
                   arXiv:1203.2523v3.
          + For mode 'K':
            x 'A': complete arithmetic orthogonalisation
            x 'a': standard Lanczos procedure with implied arithmetic
                   orthogonalisation of the last two vectors only
            x 'B': complete arithmetic orthogonalisation of all but the last
                   two vectors (assumed orthogonality against last two vectors))SUBMODES_HELP"}

Static string describing the available sub-modes.

Referenced by syten::Pyten::init_alg_iterative().