Optimize X given C, Y and Z

Optimize X given C, Y and Z

Usage

opt_x(
  XC_init,
  YZ,
  k,
  loader,
  family,
  s,
  gamma,
  l2penx,
  verbose = 0,
  inplace = FALSE,
  ...
)

Arguments

XC_init

Initial value for the `[X C]` matrix, X [n x k], C [n x r]

YZ

The `[Y Z]` matrix, Y [p x k], Z [p x r]

k

Number of columns in X and Y

loader

The data loader, typically returned by data_loader()

family

A family object, typically returned by esvd_family()

s

The library size vector, [n x 1]

gamma

The nuisance parameter vector, [p x 1]

l2penx

The l2 penalty parameter for X, a scalar

verbose

Verbosity parameter

inplace

Whether the input XC_init will be modified and returned

...

Additional parameters