class_docstr: Class that defines the canonical metric for Stiefel manifolds.
code: def __init__(self, space):
      super().__init__(space=space, signature=(space.dim, 0, 0))
      self._log_solver = _StiefelLogSolver()
  
imports: import warnings
  import geomstats.backend
  import geomstats.errors
  from geomstats import algebra_utils
  from geomstats.geometry.base import LevelSet
  from geomstats.geometry.hermitian_matrices import powermh
  from geomstats.geometry.matrices import Matrices
  from geomstats.geometry.riemannian_metric import RiemannianMetric
  from geomstats.vectorization import repeat_out
label_desc: Use image node_id 1 to create a new StiefelCanonicalMetric object from inherited base classes: RiemannianMetric with example: obj = StiefelCanonicalMetric(space)