Table of Contents

Mojo struct

BDCSVDImpl

@memory_only
struct BDCSVDImpl

Fields

  • m_naiveU (Mat)
  • m_naiveV (Mat)
  • m_computed (Mat)
  • m_workspace (Vec)
  • m_workspaceI (IVec)
  • m_baseSvdU (JacobiSVD)
  • m_baseSvdUV (JacobiSVD)
  • m_algoswap (Int)
  • m_compU (Bool)
  • m_compV (Bool)
  • m_numIters (Int)
  • m_info (ComputationInfo)

Implemented traits

AnyType, Deinitable, Movable

Methods

__init__

fn def __init__(out self)

Args:

  • self (Self)

Returns:

Self

algoSwap

fn def algoSwap(self) -> Int

Args:

  • self (Self)

Returns:

Int

setAlgoSwap

fn def setAlgoSwap(mut self, s: Int)

Args:

  • self (Self)
  • s (Int)

info

fn def info(self) -> ComputationInfo

Args:

  • self (Self)

Returns:

ComputationInfo

numIters

fn def numIters(self) -> Int

Args:

  • self (Self)

Returns:

Int

naiveU

fn def naiveU(mut self) -> Mat

Args:

  • self (Self)

Returns:

Mat

naiveV

fn def naiveV(mut self) -> Mat

Args:

  • self (Self)

Returns:

Mat

computed

fn def computed(mut self) -> Mat

Args:

  • self (Self)

Returns:

Mat

allocate

fn def allocate(mut self, diagSize: Int, compU: Bool, compV: Bool)

Args:

  • self (Self)
  • diagSize (Int)
  • compU (Bool)
  • compV (Bool)

splitNegligibleSuperdiagonal

fn def splitNegligibleSuperdiagonal(mut self, n: Int)

Args:

  • self (Self)
  • n (Int)

structured_update

fn def structured_update(mut self, mut A: Mat, B: Mat, n1: Int)

Args:

  • self (Self)
  • A (Mat)
  • B (Mat)
  • n1 (Int)

computeBaseCase

fn def computeBaseCase[V: Bool](mut self, n: Int, firstCol: Int, firstRowW: Int, firstColW: Int, shift: Int)

Parameters:

  • V (Bool)

Args:

  • self (Self)
  • n (Int)
  • firstCol (Int)
  • firstRowW (Int)
  • firstColW (Int)
  • shift (Int)

divide

fn def divide(mut self, firstCol: Int, lastCol: Int, firstRowW: Int, firstColW: Int, shift: Int)

Args:

  • self (Self)
  • firstCol (Int)
  • lastCol (Int)
  • firstRowW (Int)
  • firstColW (Int)
  • shift (Int)

computeSVDofM

fn def computeSVDofM(mut self, firstCol: Int, n: Int, mut U: Mat, mut singVals: Vec, mut V: Mat)

Args:

  • self (Self)
  • firstCol (Int)
  • n (Int)
  • U (Mat)
  • singVals (Vec)
  • V (Mat)

computeSingVals

fn def computeSingVals(mut self, col0: Vec, diag: Vec, perm: IVec, mut singVals: Vec, mut shifts: Vec, mut mus: Vec)

Args:

  • self (Self)
  • col0 (Vec)
  • diag (Vec)
  • perm (IVec)
  • singVals (Vec)
  • shifts (Vec)
  • mus (Vec)

perturbCol0

fn def perturbCol0(mut self, col0: Vec, diag: Vec, perm: IVec, singVals: Vec, shifts: Vec, mus: Vec, mut zhat: Vec)

Args:

  • self (Self)
  • col0 (Vec)
  • diag (Vec)
  • perm (IVec)
  • singVals (Vec)
  • shifts (Vec)
  • mus (Vec)
  • zhat (Vec)

computeSingVecs

fn def computeSingVecs(mut self, zhat: Vec, diag: Vec, perm: IVec, singVals: Vec, shifts: Vec, mus: Vec, mut U: Mat, mut V: Mat)

Args:

  • self (Self)
  • zhat (Vec)
  • diag (Vec)
  • perm (IVec)
  • singVals (Vec)
  • shifts (Vec)
  • mus (Vec)
  • U (Mat)
  • V (Mat)

deflation43

fn def deflation43(mut self, firstCol: Int, shift: Int, i: Int, size: Int)

Args:

  • self (Self)
  • firstCol (Int)
  • shift (Int)
  • i (Int)
  • size (Int)

deflation44

fn def deflation44(mut self, firstColu: Int, firstColm: Int, firstRowW: Int, firstColW: Int, i: Int, j: Int, size: Int)

Args:

  • self (Self)
  • firstColu (Int)
  • firstColm (Int)
  • firstRowW (Int)
  • firstColW (Int)
  • i (Int)
  • j (Int)
  • size (Int)

deflation

fn def deflation(mut self, firstCol: Int, lastCol: Int, k: Int, firstRowW: Int, firstColW: Int, shift: Int)

Args:

  • self (Self)
  • firstCol (Int)
  • lastCol (Int)
  • k (Int)
  • firstRowW (Int)
  • firstColW (Int)
  • shift (Int)
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