docstr: Casts the array to given data type.
  
  Args:
      dtype: Type specifier.
  
  Returns:
      A copy of the array with a given type.
docstr_tok: ["Casts","the","array","to","given","data","type",".","Args",":","dtype",":","Type","specifier",".","Returns",":","A","copy","of","the","array","with","a","given","type","."]
code: def astype(self, t):
      """Casts the array to given data type.
  
      Args:
          dtype: Type specifier.
  
      Returns:
          A copy of the array with a given type.
  
      """
      return self._with_data(self.data.astype(t))
  
imports: import cupy
  import numpy
  from cupy._core import internal
  from cupy import _util
  from cupyx.scipy.sparse import _base
  from cupyx.scipy.sparse import _coo
  from cupyx.scipy.sparse import _sputils
label_desc: Use image node_id 6 for calling the _data_matrix obj's underlying member method code with example usage: obj.astype(t) and returns: self