Trying to find out that how many loop cycle it complete before the 'S' become zero. S value is not decreasing. Need to decrease S value zero and sum the total cycle number?

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Shabaz Khan
Shabaz Khan 2021-6-9
评论： Shabaz Khan 2021-6-10
>> C=0.02;
>> cycle = 0;
>> FC =0;
>> S=10;
>> while (S>=0)
S=(S-F);
F=(S*C);
FC = (FC+F);
cycle =(cycle+1);
end
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回答（2 个）

Mathieu NOE
Mathieu NOE 2021-6-10
hello again
so I made 2 modifications
  • initialized F with 0 (my guess)
  • changed the while tolerance limit because otherwise it never ends , S continues to get smaller and smaller but never goes to zero;
C=0.02;
cycle = 0;
FC =0;
F = 0;
S=10;
tol = 1e-10;
while (S>=tol)
S=(S-F);
F=(S*C);
FC = (FC+F);
cycle =(cycle+1);
end
Walter Roberson
Walter Roberson 2021-6-10
F is negative. You need to decide whether F should be positive and be subtracted, or if it should be negative and be added.
I would suggest to you that it would be more consistent logically for F to be negative and be added.

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