% Generated by roxygen2: do not edit by hand % Please edit documentation in R/util.R \name{retractStiefel} \alias{retractStiefel} \title{Retraction to the manifold.} \usage{ retractStiefel(A) } \arguments{ \item{A}{matrix.} } \value{ `(p, q)` semi-orthogonal matrix, aka element of the Stiefel manifold. } \description{ Retraction to the manifold. } \keyword{internal}