Cody

# Problem 43016. Find the next Fibonacci number

Solution 1720994

Submitted on 5 Feb 2019 by Tan Yi Jin
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### Test Suite

Test Status Code Input and Output
1   Pass
n = 6; out = 8; assert(isequal(next_fibonacci(n),out));

a = 1 1 2 3 5 8 ans = 1×6 logical array 1 1 1 1 1 0 b = 5 y = 8

2   Pass
n = [12 40 50]; out = [13 55 55]; assert(isequal(next_fibonacci(n),out));

a = 1 1 2 3 5 8 13 21 34 55 ans = 1×10 logical array 1 1 1 1 1 1 0 0 0 0 b = 6 ans = 1×10 logical array 1 1 1 1 1 1 1 1 1 0 b = 9 ans = 1×10 logical array 1 1 1 1 1 1 1 1 1 0 b = 9 y = 13 55 55

3   Pass
n = 10.^(1:5); out = [13 144 1597 10946 121393]; assert(isequal(next_fibonacci(n),out));

a = Columns 1 through 15 1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 Columns 16 through 26 987 1597 2584 4181 6765 10946 17711 28657 46368 75025 121393 ans = 1×26 logical array 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 b = 6 ans = 1×26 logical array 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 b = 11 ans = 1×26 logical array 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 b = 16 ans = 1×26 logical array 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 b = 20 ans = 1×26 logical array 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 b = 25 y = 13 144 1597 10946 121393

4   Pass
n = round(7.^(3:.5:7)); out = [377 987 2584 6765 17711 46368 121393 317811 832040]; assert(isequal(next_fibonacci(n),out));

a = Columns 1 through 15 1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 Columns 16 through 30 987 1597 2584 4181 6765 10946 17711 28657 46368 75025 121393 196418 317811 514229 832040 ans = 1×30 logical array 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 b = 13 ans = 1×30 logical array 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 b = 15 ans = 1×30 logical array 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 b = 17 ans = 1×30 logical array 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 b = 19 ans = 1×30 logical array 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 b = 21 ans = 1×30 logical array 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 b = 23 ans = 1×30 logical array 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 b = 25 ans = 1×30 logical array 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 b = 27 ans = 1×30 logical array 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 b = 29 y = 377 987 2584 6765 17711 46368 121393 317811 832040