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# Problem 752. Is X a Fibonacci Matrix?

Solution 2026232

Submitted on 18 Nov 2019 by Luu Van Duc
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### Test Suite

Test Status Code Input and Output
1   Pass
x = [0 1;1 1]; tf = true; assert(isequal(isFibMat(x),tf)) clear all;

tf = logical 0 tf = logical 1 tf = logical 1

2   Pass
x = [1 0;1 1]; tf = false; assert(isequal(isFibMat(x),tf)) clear all;

tf = logical 0

3   Pass
x = [0 1;1 1]^40; tf = true; assert(isequal(isFibMat(x),tf)) clear all;

tf = logical 0 tf = logical 1 tf = logical 1

4   Pass
x = [0 1;1 1]^40+1; tf = false; assert(isequal(isFibMat(x),tf)) clear all;

tf = logical 0

5   Pass
x = [0 1;1 1]^17; tf = true; assert(isequal(isFibMat(x),tf)) clear all;

tf = logical 0 tf = logical 1 tf = logical 1

6   Pass
x = [0 1;1 1]^17-5; tf = false; assert(isequal(isFibMat(x),tf)) clear all;

tf = logical 0

7   Pass
x = [0 0 1;0 1 1;1 1 1]^3; tf = false; assert(isequal(isFibMat(x),tf)) clear all;

tf = logical 0 tf = logical 0

8   Pass
x = [0 0 1;0 1 1]; tf = false; assert(isequal(isFibMat(x),tf)) clear all;

tf = logical 0 tf = logical 0

9   Pass
x = [[0 1;1 1]^3 [5; 8]]; tf = false; assert(isequal(isFibMat(x),tf)) clear all;

tf = logical 0 tf = logical 0

10   Pass
x = uint8([0 1; 1 1]^5); tf = true; assert(isequal(isFibMat(x),tf)) clear all;

tf = logical 0 tf = logical 1 tf = logical 1

11   Pass
x = -([0 1; 1 1]^5); tf = false; assert(isequal(isFibMat(x),tf)) clear all;

tf = logical 0

12   Pass
x = [0 1; 1 1]^5; x(2) = nan; tf = false; assert(isequal(isFibMat(x),tf)) clear all;

tf = logical 0

13   Pass
x = [4 7;7 11]; tf = false; assert(isequal(isFibMat(x),tf)) clear all;

tf = logical 0

14   Pass
for ii = 1:55 assert(true==isFibMat([0 1;1 1]^ii)) end

tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1 tf = logical 0 tf = logical 1 tf = logical 1

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