class_docstr: Space of positive lower triangular matrices with unit-normed rows.
  
  Rows are unit normed wrt Euclidean norm.
  
  For more details, check section 7.4.1 of [T2022]_.
class_docstr_tok: ["Space","of","positive","lower","triangular","matrices","with","unit-normed","rows",".","Rows","are","unit","normed","wrt","Euclidean","norm",".","For","more","details",",","check","section","7.4.1","of","[","T2022","]","_","."]
docstr: Metric to equip the space with if equip is True.
docstr_tok: ["Metric","to","equip","the","space","with","if","equip","is","True","."]
code: def default_metric():
      """Metric to equip the space with if equip is True."""
      return UnitNormedRowsPLTMatricesPullbackMetric
  
imports: import geomstats.backend
  from geomstats.geometry.base import DiffeomorphicManifold, VectorSpaceOpenSet
  from geomstats.geometry.diffeo import Diffeo
  from geomstats.geometry.invariant_metric import _InvariantMetricMatrix
  from geomstats.geometry.lie_group import MatrixLieGroup
  from geomstats.geometry.lower_triangular_matrices import LowerTriangularMatrices
  from geomstats.geometry.matrices import Matrices
  from geomstats.geometry.open_hemisphere import OpenHemisphere, OpenHemispheresProduct
  from geomstats.geometry.pullback_metric import PullbackDiffeoMetric
  from geomstats.geometry.riemannian_metric import RiemannianMetric
label_desc: Use image node_id 2 for calling the UnitNormedRowsPLTMatrices obj's underlying member method code with example usage: obj.default_metric() and returns: UnitNormedRowsPLTMatricesPullbackMetric