I have a matlab homework assignment to build a grade calculator in matlab.First time coding and in need of some help!

14 次查看（过去 30 天）

Brian Mabe 2016-9-1

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/301670-i-have-a-matlab-homework-assignment-to-build-a-grade-calculator-in-matlab-first-time-coding-and-in-n

评论： Nstaub 2016-9-2

I need the program to take a range of inputs in matrix form and return a letter grade. 0-59.99=F 60-69.99=D, etc. The program needs to discard negative grades, and calculate all of the following:

○ Numeric mean (class average)
○ Average letter grade for the class
○ Standard deviation of the grades
○ Highest numeric grade
○ Lowest numeric grade

Any help would be appreciated: here is what I have thus far:

enter=1;
grade=[];
t=1;
while enter==1
      grades(t) = input ('Please enter a grade');
      if grades(t) < 59.99 && grades(t) >= 0 
          disp ('F')
      elseif grades(t) >= 60 && grades(t) <= 69.99 
          disp ('D')
          elseif grades(t) >= 70 && grades(t) >= 79.99 
              disp ('C')
              elseif grades(t) >= 80 && grades(t) >= 89.99 
                  disp ('B')
                  elseif grades(t) >= 90 && grades(t) >= 100 
                      disp ('A')
                          if grades(t) <= 0 disp (N/A)
                          end

3 个评论
显示 1更早的评论隐藏 1更早的评论

Brian Mabe 2016-9-2

编辑：Brian Mabe 2016-9-2

The user will be entering grades one at a time. After they have no more grades left to input, they will enter "0". Then the code should hold onto the set of numeric entries, store them as a matrix, and express the average as a letter grade equivalent.

I also need to write a second script to calculate mean, median, mode, standard deviation etc., HOWEVER, I am not allowed to use operators like std.

Thank you, in advance, for your advice!

Nstaub 2016-9-2

I would suggest to be careful with your input because user can input a string which will mess up your tests. Also I prefer fprintf to disp function as you get more control on the string output. my 2 cents

请先登录，再进行评论。

请先登录，再回答此问题。