>> student(1).gender='Male';          %在student中添加gender和age這2項記錄
>> student(1).age=25;
>> student(2).gender='Female';
>> student(2).age=21;
>> student                          %查詢student的結(jié)構(gòu)    
student = 
1x2 struct array with fields:
    test
    name
    weight
    height
    num
    add
    tel
    gender
    age
>>
%由上面的輸出可以看出，在student中新添加了gender和age這兩項記錄。
>> student(1)                    %輸出student(1)的具體內(nèi)容    
ans = 
      test: [99 56 96 87 67 69 87 76 92]
      name: 'Wu Qing'
      weight: 68
      height: 1.7200
      num: 34093
      add: [1x46 char]
      tel: '1381042679*'
      gender: 'Male'
      age: 25
>> student(2)                   %輸出student(2)的具體內(nèi)容       
ans = 
      test: [99 65 88 78 76 98 75 96 59]
      name: 'Wei Huan'
      weight: 50
      height: 1.5800
      num: 34999
      add: 'School of Psychology.Chongqing university'
      tel: '02361703456'
      gender: 'Female'
      age: 21
>>