学号 Z11714047    专业  自动化     姓名 耿严     

 实验日期        指导教师        实验成绩      

安徽大学电气工程及自动化学院本科实验报告

 【课程名称】   MATLAB程序设计     

 【课程目标】 （依据教学大纲）

 【实验名称】           

 【实验目的】

• 练习掌握MATLAB使用教程（第二版）书中第十章函数。

 【实验原理及方法】

• 使用MATLAB或Octave完成书上习题。

 【实验内容及过程】

• 内容

  10.1 10.6 10.7 10.12 10.16

• 代码

  % 10.1
  % 双精度计算
  n = 1:1e7;
  harmonic = 1./n;
  partial_sum = cumsum(harmonic);
  m = 1000:1000:1e7;
  partial_sums_selected = partial_sum(m);
  plot(partial_sums_selected);
  % 单精度计算
  n = single(1:1e7);
  harmonic = 1./n;
  partial_sum = cumsum(harmonic);
  m = 1000:1000:1e7;
  partial_sums_selected = partial_sum(m);
  hold on
  plot(partial_sums_selected,':');
  legend('双精度','单精度')
  
  % 10.6
  x = char('8','5');
  l=length(x);
  h = [double('8');double('5')];
  y = num2str(h);
  table = [y x];
  fprintf('该数组有%d个元素\n',l)
  fprintf('%c%c表示字符%c\n',table')
  
  % 10.7
  A = [1 2;3 4];
  B = [10 20;30 40];
  C = [3 6;9 12];
  % a
  ABC(:,:,1) = A;
  ABC(:,:,2) = B;
  ABC(:,:,3) = C;
  disp('ABC = ')
  disp(ABC)
  
  % b
  Column_A1B1C1 = [A(:,1),B(:,1),C(:,1)];
  disp('Column_A1B1C1 = ')
  disp(Column_A1B1C1)
  
  % c
  Row_A2B2C2 = [A(2,:);B(2,:);C(2,:)];
  disp('Row_A2B2C2')
  disp(Row_A2B2C2)
  
  % d
  number = ABC(1,2,3);
  fprintf('第1行、第2列、第3页的数值是%d。 \n',number)
  
  
  % 10.12
  thermocouple = [84.3 90.0 86.7
                  86.4 89.5 87.6
                  85.2 88.6 88.3
                  87.1 88.9 85.3
                  83.5 88.9 80.3
                  84.8 90.4 82.4
                  85.0 89.3 83.4
                  85.3 89.5 85.4
                  85.3 88.9 86.3
                  85.2 89.1 85.3
                  82.3 89.5 89.0
                  84.7 89.4 87.3
                  83.6 89.8 87.2];
  [rows,cols] = size(thermocouple);
  for k = 1:cols
      file_name = ['thermocou-ple',num2str(k)]
      date = thermocouple(:,k)
      save(file_name,'date')
  end
  
  % 10.16
  A = ['aluminum'];
  B = ['copper'];
  C = ['iron'];
  D = ['molybdenum'];
  E = ['cobalt'];
  my_cellarray = {A,B,C,D,E};
  celldisp(my_cellarray)
  

 【实验结果】

• 运行结果

  • 10.1
  • 10.6

  该数组有2个元素
  56表示字符8
  53表示字符5
  

  • 10.7

  ABC = 
  
  (:,:,1) =
  
      1     2
      3     4
  
  
  (:,:,2) =
  
     10    20
     30    40
  
  
  (:,:,3) =
  
      3     6
      9    12
  
  Column_A1B1C1 = 
      1    10     3
      3    30     9
  
  Row_A2B2C2
      3     4
     30    40
      9    12
  
  第1行、第2列、第3页的数值是6。 
  

  • 10.12

  file_name =
  
  thermocou-ple1
  
  
  date =
  
     84.3000
     86.4000
     85.2000
     87.1000
     83.5000
     84.8000
     85.0000
     85.3000
     85.3000
     85.2000
     82.3000
     84.7000
     83.6000
  
  
  file_name =
  
  thermocou-ple2
  
  
  date =
  
     90.0000
     89.5000
     88.6000
     88.9000
     88.9000
     90.4000
     89.3000
     89.5000
     88.9000
     89.1000
     89.5000
     89.4000
     89.8000
  
  
  file_name =
  
  thermocou-ple3
  
  
  date =
  
     86.7000
     87.6000
     88.3000
     85.3000
     80.3000
     82.4000
     83.4000
     85.4000
     86.3000
     85.3000
     89.0000
     87.3000
     87.2000
  

  • 10.16

  my_cellarray{1} =
   
  aluminum
   
   
  my_cellarray{2} =
   
  copper
   
   
  my_cellarray{3} =
   
  iron
   
   
  my_cellarray{4} =
   
  molybdenum
   
   
  my_cellarray{5} =
   
  cobalt
  

 【数据分析及处理】

 【总结或讨论】