class_docstr: The class used to define vectors.
  
  It along with ReferenceFrame are the building blocks of describing a
  classical mechanics system in PyDy and sympy.physics.vector.
  
  Attributes
  ==========
  
  simp : Boolean
      Let certain methods use trigsimp on their outputs
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docstr: The constituents of this vector in different reference frames,
  as per its definition.
  
  Returns a dict mapping each ReferenceFrame to the corresponding
  constituent Vector.
  
  Examples
  ========
  
  >>> from sympy.physics.vector import ReferenceFrame
  >>> R1 = ReferenceFrame('R1')
  >>> R2 = ReferenceFrame('R2')
  >>> v = R1.x + R2.x
  >>> v.separate() == {R1: R1.x, R2: R2.x}
  True
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code: def separate(self):
      """
      The constituents of this vector in different reference frames,
      as per its definition.
  
      Returns a dict mapping each ReferenceFrame to the corresponding
      constituent Vector.
  
      Examples
      ========
  
      >>> from sympy.physics.vector import ReferenceFrame
      >>> R1 = ReferenceFrame('R1')
      >>> R2 = ReferenceFrame('R2')
      >>> v = R1.x + R2.x
      >>> v.separate() == {R1: R1.x, R2: R2.x}
      True
  
      """
  
      components = {}
      for x in self.args:
          components[x[1]] = Vector([x])
      return components
  
imports: from sympy import S, sympify, expand, sqrt, Add, zeros, acos, ImmutableMatrix, simplify
  from sympy.simplify.trigsimp import trigsimp
  from sympy.printing.defaults import Printable
  from sympy.utilities.misc import filldedent
  from sympy.core.evalf import EvalfMixin
  from mpmath.libmp.libmpf import prec_to_dps
label_desc: Use image node_id 18 for calling the Vector obj's underlying member method code with example usage: obj.separate() and returns: components