parameters: (R)
return_statement: return math.atan2(R[1][0],R[0][0])
docstring: Returns the rotation angle of a rotation matrix
docstring_summary: Returns the rotation angle of a rotation matrix
docstring_tokens: Returns the rotation angle of a rotation matrix
function: def from_matrix(R):
      """Returns the rotation angle of a rotation matrix"""
      return math.atan2(R[1][0],R[0][0])
function_tokens: def from_matrix ( R ) : return math . atan2 ( R [ 1 ] [ 0 ] , R [ 0 ] [ 0 ] )