how to save the value of each iteration in a loop for later use in the program?

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Aru hazari
Aru hazari 2015-4-10
回答： khan 2015-4-10
My code is:
a=input; b=input;
while(1)
c=statement;
if(x>0)
s=a-c;
a=altered a;
else
break;
end
end
I want each value of s to be known for later use.

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回答（2 个）

Julia
Julia 2015-4-10
Hi,
use an additional counter and an array/vector for s. s will change its size in every iteration and Matlab will show you a warning. If you have an upper bound for the loop iterations I suggest to use it for preallocation.
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khan
khan 2015-4-10
initialize counter_ind =1; before while loop. modify your statement to this
s(counter_ind) = a-c;
counter_ind = counter_ind+1;

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khan
khan 2015-4-10
may be your data in a-c is bigger than a value. So you have to use according to your data i.e. a and b. i dont know exactly what do you have in a and c. but i think this will save anything.
s{counter_ind} = a-b;

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