Primary Product Functionplane (developed circa 1973), updated for gfortran and Octave compatibility. Soft sparsity (structural simplicity) via C-inf manifold-embedded redescending M-estimator, and contravariant and covariant spaces and a metric to avoid basis collapse and regulate the system.
gaussian smooth gradient tensor manifold simplicity maximum-likelihood oblique covariant contravariant factor-rotation m-estimator self-regulating soft-sparsity redescending infinitely-differentiable basis-discovery robust-statistic whilte-hole
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Updated
Sep 4, 2026 - Fortran