`extras.optim`#

Implements Optimization algorithms.

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Functions

`cg`	Perform conjugate gradient (CG) optimization for image reconstruction.
`loss_l2_AHreg`	Compute the norm of the residual in the image domain.
`loss_l2_reg`	Compute the regularized least squares loss for MRI reconstruction.
`lsmr`	Solve a general regularized linear least-squares problem using the LSMR algorithm.
`lsqr`	Solve a general regularized linear least-squares problem using the LSQR algorithm.

extras.optim#