Extract left singular vectors or left eigenvectors.

For SVD results this returns the left singular vectors U. For nonsymmetric and dense general-pencil eigen results this returns left eigenvectors when the solver computed them (for example, the dense general-pencil eig_full() path, which computes left generalized eigenvectors satisfying w^H A = lambda w^H B).

Usage

left_vectors(x, ...)

Arguments

x

An eigencore SVD or eigen result object.

...

Reserved for future methods.

Value

A matrix of left singular vectors or left eigenvectors, or NULL when the result does not contain a left-vector field.