>> NAMES=fieldnames(student)   
%調出結構型變量student的所有成員變量名
NAMES = 
    'test'
    'name'
    'weight'
    'height'
    'num'
    'add'
    'tel'
>> GETF=getfield(student(1),'add')
GETF =
School of civil engneering.Tsinghua university
>> SETF=setfield(student(2),'weight',80)
SETF = 
      test: [99 65 88 78 76 98 75 96 59]
      name: 'Wei Huan'
      weight: 80
      height: 1.5800
      num: 34999
      add: 'School of Psychology.Chongqing university'
      tel: '02361701456'
>> YFIELD=isfield(student(1),'test') %判斷是否為結構型變量的屬性
YFIELD =
     1
>> YSTRU=isstruct(student(2))  %判斷是否為結構型變量
YSTRU =
     1
>>