MATLAB: Please help with this If else statement

if statement

clear all
clc
Toefl=input('Toefl=')
Math=input('Mathematic=')
Bio=input('Biologi=')
if(Toefl >= 601) && (Toefl <= 670)
disp ('Excellent')
if(Math >= 601) && (Math <= 670)
disp ('Excellent')
if(Bio >= 601) && (Bio <= 670)
disp ('Excellent')
elseif(Bio >= 501) && (Bio <= 600)
disp ('Good')
elseif(Bio >= 401) && (Bio <= 500)
disp ('Average')
elseif Bio <= 400
disp ('Bad')
else
disp ('Data tidak valid')
end
elseif(Math >= 501) && (Math <= 600)
disp ('Good')
if(Bio >= 601) && (Bio <= 670)
disp ('Excellent')
elseif(Bio >= 501) && (Bio <= 600)
disp ('Good')
elseif(Bio >= 401) && (Bio <= 500)
disp ('Average')
elseif Bio <= 400
disp ('Bad')
else
disp ('Data tidak valid')
end
elseif(Math >= 401) && (Math <= 500)
disp ('Average')
if(Bio >= 601) && (Bio <= 670)
disp ('Excellent')
elseif(Bio >= 501) && (Bio <= 600)
disp ('Good')
elseif(Bio >= 401) && (Bio <= 500)
disp ('Average')
elseif Bio <= 400
disp ('Bad')
else
disp ('Data tidak valid')
end
elseif Math <= 400
disp ('Bad')
if(Bio >= 601) && (Bio <= 670)
disp ('Excellent')
elseif(Bio >= 501) && (Bio <= 600)
disp ('Good')
elseif(Bio >= 401) && (Bio <= 500)
disp ('Average')
elseif Bio <= 400
disp ('Bad')
else
disp ('Data tidak valid')
end
else
disp('Data tidak valid')
if(Bio >= 601) && (Bio <= 670)
disp ('Excellent')
elseif(Bio >= 501) && (Bio <= 600)
disp ('Good')
elseif(Bio >= 401) && (Bio <= 500)
disp ('Average')
elseif Bio <= 400
disp ('Bad')
else
disp ('Data tidak valid')
end
end
elseif (Toefl >= 501) && (Toefl <= 600)
disp ('Good')
elseif (Toefl >= 401) && (Toefl <= 500)
disp ('Average')
elseif Toefl <= 400
disp ('Bad')
else
disp('Data tidak Valid')
end
how to summarize this code
the asked results maybe looks like this
Toefl=602
Toefl =
602
Mathematic=602
Math =
602
Biologi=602
Bio =
602
Excellent
Excellent
Excellent

Best Answer

  • Similar to your C++ code, just with some shorter names for variables to reduce the chance for typos:
    function main
    toefl1 = input('masukan toefl1: ');
    toefl2 = input('masukan toefl2: ');
    toefl3 = input('masukan toefl3: ');
    disp(cekNilai(toefl1));
    disp(cekNilai(toefl2));
    disp(cekNilai(toefl3));
    end
    function r = cekNilai(n)
    if n >= 601 && n <= 670
    r = 'excellent';
    elseif n >= 501 && n <= 600
    r = 'good';
    elseif n >= 401 && n <= 500
    r = 'avg';
    elseif n <= 400
    r = 'bad';
    else
    r = 'invalid input';
    end
    end