How to use a counter with a loop

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Jake
Jake 2013-5-6
回答： Sakhumzi 2024-5-3
How do you use a counter with a for loop?
I want to learn how to input a bunch of numbers into a loop and use the counter to find how many "count numbers" I get for that input. Whichever input gets the largest "count number" I want to save that input and display it.

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回答（3 个）

Youssef Khmou
Youssef Khmou 2013-5-6
编辑：Youssef Khmou 2013-5-6
hi,
here is fast way :
N=1:1000;
P=isprime(N);
Prime=find(P==1);
  2 个评论
Jake
Jake 2013-5-6
Thank you, but that's not what I'm looking for. I want he program to take an "x" value, that is, from 1:999. For example, 132. I want the program to divide 132 by c ( 132/2, 132/3, 132/5...) If there are no remainders after division for each of these numbers, 1 is added to the counter. The number x that produces the greatest count number is the value that I want to keep. I hope this is clear.
Youssef Khmou
Youssef Khmou 2013-5-6
编辑：Youssef Khmou 2013-5-6
hi, according to this description here is the translation :
N=1000;
c=[2 3 5 7 11 13];
counter=0;
ctr=1;
for x=1:N
if sum(rem(x,c))==0
counter=counter+1;
P(ctr)=x;
ctr=ctr+1;
else
continue;
end
end
But logically that s not right . counter is 0 .

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Youssef Khmou
Youssef Khmou 2013-5-6
编辑：Youssef Khmou 2013-5-6
hi,
Second way :
K=primes(1000);
Third way :
N=1000;
c=[2 3 5 7];
counter=1;
for x=1:N
V=mod(x,c);
F=V(V==0);
if isempty(F)
Prime(counter)=x;
counter=counter+1;
else
continue;
end
end
Sakhumzi
Sakhumzi 2024-5-3
N=1000;
c=[2 3 5 7];
counter=1;
for x=1:N
V=mod(x,c);
F=V(V==0);
if isempty(F)
Prime(counter)=x;
counter=counter+1;
else
continue;
end
end

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