N.B. For the purpose of this exercise, the first Fibonacci number is 1, and the second is 2; that is, fib(1) = 1 and fib(2) = 2 .
Make a function isfib(x) so that:
5.731478440138172e+20 from 7th test is not a Fibonacci Number. 100th Fibonacci Number in proposed convention is 573147844013817084101 which has 21 digits and exceeds double precision.
Number of 1s in the Binary Representation of a Number
Back to basics 23 - Triangular matrix
"Low : High - Low : High - Turn around " -- Create a subindices vector
Remove the two elements next to NaN value
Dimensions of a rectangle
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