class_docstr: Generic matlab matrix writing class 
class_docstr_tok: ["Generic","matlab","matrix","writing","class"]
docstr: Write variable at top level of mat file
  
  Parameters
  ----------
  arr : array_like
      array-like object to create writer for
  name : str, optional
      name as it will appear in matlab workspace
      default is empty string
  is_global : {False, True}, optional
      whether variable will be global on load into matlab
code: def write_top(self, arr, name, is_global):
      """Write variable at top level of mat file
  
      Parameters
      ----------
      arr : array_like
          array-like object to create writer for
      name : str, optional
          name as it will appear in matlab workspace
          default is empty string
      is_global : {False, True}, optional
          whether variable will be global on load into matlab
      """
      # these are set before the top-level header write, and unset at
      # the end of the same write, because they do not apply for lower levels
      self._var_is_global = is_global
      self._var_name = name
      # write the header and data
      self.write(arr)
  
imports: from __future__ import division, print_function, absolute_import
  import os
  import time
  import sys
  import zlib
  from io import BytesIO
  import warnings
  import numpy
  from numpy.compat import asbytes, asstr
  import scipy.sparse
  from scipy._lib.six import string_types
  from .byteordercodes import native_code, swapped_code
  from .miobase import MatFileReader, docfiller, matdims, read_dtype, arr_to_chars, arr_dtype_number, MatWriteError, MatReadError, MatReadWarning
  from .mio5_utils import VarReader5
  from .mio5_params import MatlabObject, MatlabFunction, MDTYPES, NP_TO_MTYPES, NP_TO_MXTYPES, miCOMPRESSED, miMATRIX, miINT8, miUTF8, miUINT32, mxCELL_CLASS, mxSTRUCT_CLASS, mxOBJECT_CLASS, mxCHAR_CLASS, mxSPARSE_CLASS, mxDOUBLE_CLASS, mclass_info
  from .streams import ZlibInputStream
label_desc: Use image node_id 9 for calling the VarWriter5 obj's underlying member method code with example usage: obj.write_top(arr, name, is_global) without return types