Because the same calculations are done over and over again. Fib(n) - the nth. number in the sequence - is equal to fib(n-1) + fib(n-2). For example, fib(10) - the 10th. number in the sequence - is equal to fib(9) + fib(8). If you expand this, you get fib(8) + fib(7) + fib(7) + fib(6). If you expand again, you get fib(7) + fib(6) + fib(6) + fib(5) + fib(6) + fib(5) + fib(5) + fib(4). You can already see that some of the numbers have to be evaluated several times. In fact, the amount of calculations increases exponentially; whereas with a simple loop, to add numbers up to fib(n), this is not the case.
Fib as a noun "he told a fib about eating his spinach" fib as verb "Fibbing is not acceptable, even if you don't call it lying"
No, it is not. The noun "fib" means a subjectively minor lie. The verb "to fib" means to tell a lie.
A recursive formula is one that references itself. The famous example is the Fibonacci function: fib(n) := fib(n-1) + fib(n-2), with the terminating proviso that fib(0) = 0 and fib(1) = 1.
"fib" is an English slang word for a 'small' lie
public static int fib(int n) {return fib(n-1) + fib(n-2);}
FIB
A fib about ecosystems.... Ecosystems are made of cheese......
Maryoku Yummy - 2010 Fij Fij and the Fib Fib Now You're Cooking was released on: USA: 15 October 2010
Fib is basically an insignificant or a harmless lie , or u can say fibbing is milder form of lying . . . sentence : she fibbed about going early to bed last night when she actually did not she told a fib to everyone about being the topper in her school
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