is_orthogonal.projector: Stricter check for true orthogonality
Description
We test if v^T * v = I (when rows >= cols) or v * v^T = I (when cols > rows).
Usage
# S3 method for projector
is_orthogonal(x, tol = 1e-06)
Arguments
- x
the projector object
- tol
tolerance for checking orthogonality