Generating Fibonacci Sequence Using While Loop

Hello all,
I am trying to generate the first Fibonacci Sequence Term greater than 1000 using a while loop. I am using the following code:
fibf(1) = 1;
fibf(2) = 1;
n=3:50;
while fibf(n) < 1000
fibf(n) = fibf(n-1)+fibf(n-2);
end
I am getting the error, 'Index exceeds matrix dimensions'. Any help is appreciated

 采纳的回答

fibf(1) = 1;
fibf(2) = 1;
n=3
while fibf(n-1) < 1000
fibf(n) = fibf(n-1)+fibf(n-2);
n=n+1;
end

3 个评论

fibf(1)=0 ? also it gives one value more than 1000.
To get values exactly less than 1000, you can change the while condition to:
while(fibf(n - 1) + fibf(n - 2) < 1000)
Does the counter variable “n” HAVE to go second in the while loop?

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更多回答(1 个)

fibf(1) = 1;
fibf(2) = 1;
n=3
while fibf(n-1) < 1000
fibf(n) = fibf(n-1)+fibf(n-2);
n=n+1;
end

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