Stricter check for true orthogonality
is_orthogonal.projector.RdWe test if v^T * v = I (when rows >= cols) or v * v^T = I (when cols > rows).
Usage
# S3 method for class 'projector'
is_orthogonal(x, tol = 1e-06)is_orthogonal.projector.RdWe test if v^T * v = I (when rows >= cols) or v * v^T = I (when cols > rows).
# S3 method for class 'projector'
is_orthogonal(x, tol = 1e-06)