Trying to create a GPA calculator?
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Seong Nam
am 7 Mai 2017
Kommentiert: Liam
am 16 Jun. 2023
I want to create a Cumulative GPA calculator using two scripts. The first script will ask for Class Name, Number, Credits, and Grade.
%Problem Statement: Gather information of a certain class
Transcript.CourseName = input('What is the Course Name?', 's' );
Transcript.CourseNumber =input('What ss the Course Number?', 's');
Transcript.CouseCredits = input('What is the Course Credits?');
Transcript.CourseGrade = input('What is your grade in that class?');
The second script will gather those informations from all the classes the user is taking, and calculate the Cumulative GPA
%Problem Statement: Calculate the cumilative GPA from the grade of the
%three courses.
%Input: i-number of classes
%Output:GPA- Culmilative GPA
Ask = input('How many classes are you taking?')
numClass = Ask
for i =1:numClass
TRANSCRIPT(i).CourseName = input('What is the Course Name?', 's' );
TRANSCRIPT(i).CourseNumber =input('What ss the Course Number?', 's');
TRANSCRIPT(i).CourseCredits = input('What is the Course Credits?');
TRANSCRIPT(i).CourseGrade = input('What is your grade in that class?');
function(GPA_Cumli) =
end
As you can see, I haven't written the function yet because I do not know how'll this look. I know I am supposed to add the CourseGrade from all my classes then divide them by i, but I am struggling with the addition part. Any help would be appreciated.
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Rahul Goel
am 10 Mai 2017
Hi Seong,
You can change your function to something like this:
function GPA = calculateGPA()
%Output:GPA- Culmilative GPA
Ask = input('How many classes are you taking?')
numClass = Ask;
totalEarned = 0;
totalCredits = 0;
for i =1:numClass
TRANSCRIPT(i).CourseName = input('What is the Course Name?', 's' );
TRANSCRIPT(i).CourseNumber =input('What ss the Course Number?', 's');
TRANSCRIPT(i).CourseCredits = input('What is the Course Credits?');
TRANSCRIPT(i).CourseGrade = input('What is your grade in that class?');
totalEarned = totalEarned + (TRANSCRIPT(i).CourseCredits * TRANSCRIPT(i).CourseGrade);
totalCredits = totalCredits + TRANSCRIPT(i).CourseCredits;
end
GPA = totalEarned/totalCredits;
end
Hope this helps!
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TARIK YAMAN
am 12 Jan. 2019
Hi, Seong. You can improve and use the script.
clc;
clear;
clear all;
fid = fopen('my_transcript.txt','wt');
a = input('enter the number of course : ');
k = 0;
for i = 1:a;
k = k + 1;
fprintf('\nfor %3d. course\n',k);
b(k) = input('\nenter the credits of this course : ');
c = input('\nenter the your grade : ','s');
switch c
case 'AA'
d(k) = 4;
case 'BA'
d(k) = 3.5;
case 'BB'
d(k) = 3;
case 'CB'
d(k) = 2.5;
case 'CC'
d(k) = 2.0;
case 'DC'
d(k) = 1.5;
case 'DD'
d(k) = 1.0;
case 'FD'
d(k) = 0.5;
case 'FF'
d(k) = 0;
case 'FG'
d(k) = 0;
otherwise disp('your input is invalid, so it must be like AA , BB , DD , FG , FF');
fprintf('\nfor %3d. course\n',k);
e = input('\nenter the your grade again : ','s');
switch e
case 'AA'
d(k) = 4;
case 'BA'
d(k) = 3.5;
case 'BB'
d(k) = 3;
case 'CB'
d(k) = 2.5;
case 'CC'
d(k) = 2.0;
case 'DC'
d(k) = 1.5;
case 'DD'
d(k) = 1.0;
case 'FD'
d(k) = 0.5;
case 'FF'
d(k) = 0;
case 'FG'
d(k) = 0;
end
end
p(k) = d(k)*b(k);
gano0 = sum(p)/sum(b);
percent0(k) = 100*(b(k));
end
percent = percent0/sum(b);
table = [1:a;b;d;percent];
fprintf(fid,'course number credit grade margin of effect on general grade\n');
fprintf(fid,' %3d %10.1d %3.1f %10.4f\n',table);
fprintf(fid,'\nsum of credits : %3d general grade : %10.3f',sum(b),gano0);
fclose(fid);
clc;
open('my_transcript.txt');
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