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Linear Equations (Iterative Methods)

Methods for conjugate and biconjugate gradients, residuals, lower quartile

Functions

bicg Biconjugate gradients method
bicgstab Biconjugate gradients stabilized method
bicgstabl Biconjugate gradients stabilized (l) method
cgs Conjugate gradients squared method
gmres Generalized minimum residual method (with restarts)
lsqr LSQR method
minres Minimum residual method
pcg Preconditioned conjugate gradients method
qmr Quasi-minimal residual method
symmlq Symmetric LQ method
tfqmr Transpose-free quasi-minimal residual method
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