round robin Loop.... help plz

Good morning\evening ppl =)

i wrote a code for round robin algorithm i had a small problem in the loop and i don't know how to fix it

Any help please, =)

my code

clc
numOfJobs=5
CPUTime=[10 6 2 4 8]
CPUTime_copy=CPUTime;
CPUTime_copy2=CPUTime;
quantum=1;
totalCPUtime= sum(CPUTime)
total_temp=totalCPUtime;
complete_RR=[];
start=[];
wait=[];
 while (totalCPUtime ~= 0)
    for i=1:1:numOfJobs
        if CPUTime(i)>0
         if(CPUTime(i)>quantum)
             CPUTime(i)=CPUTime(i)-1;
             total_temp=total_temp-1;
         else
            CPUTime(i)=CPUTime(i)-1;
             total_temp=total_temp-1;
             complete_RR(i)=totalCPUtime-total_temp;  
        end
     end 
    start(i)=i;
    wait(i)=totalCPUtime-total_temp-CPUTime_copy(i);
    end
 end
start
wait
complete_RR

Answer 1

[Richard Brown]

You're never updating totalCPUtime so your while loop never exits

[Ayda]

thanxs

i should do this while (total_temp ~= 0)

Answer 2

[Jamal Nasir]

%%%this code for Calculate Average waiting Time in Round Robin and Average Turn around Time 
%%%%by Jamal Nasir %%%%University of Almustansiryah %%%Iraq
clc 
clear all

j=3;
job=randperm(10,j);
jobi=job;
flag=job>0;
Quant=2;
tw=sum(job);
job1=[];
x=1:j;
x1=[];
n=0;
f1=[];
while tw>0
    n=n+1;
    job1=[job1,job];
    for i=1:j
       if flag(i)>0
         if job(i)>Quant
            job(i)=job(i)-Quant;
         else
            job(i)=0;
            flag(i)=0;
         end         
       end
    end
    tw=sum(job);
    x1=[x1,x];
    f1=[f1,flag];
end

k=length(f1);
for m=1:j
    to=0;wt=0;
for i=1:k
    if x1(i)~=m
        if job1(i)>=Quant
            t=Quant;
        else
            t=job1(i);
        end
        wt=wt+t;
    else
        if job1(i)>=Quant
            t1=Quant;
        else
            t1=job1(i);
        end     
        if t1<job1(i)
            to=to+t1;
        else
            break;
        end
    end
end
wait(m)=wt;
end
AvWaitTime=mean(wait)
AvTurnAroundTime=mean(wait+jobi)