class_docstr: Abstract class defining required interface for var readers
docstr: Reads array given header 
docstr_tok: ["Reads","array","given","header"]
code: def array_from_header(self, header):
      """Reads array given header"""
      pass
  
imports: import numpy
  from scipy._lib import doccer
  from .None import _byteordercodes
label_desc: Use image node_id 3 for calling the MatVarReader obj's underlying member method code with example usage: obj.array_from_header(header) without return types