3,6,9,12
A sub 1 = First (3)
a sub n = a sub (n-1) + change (3)
what is the recursive formula for this geometric sequence?
It is often possible to find an explicit formula that gives the same answer as a given recursive formula - and vice versa. I don't think you can always find an explicit formula that gives the same answer.
Because a tree is a recursive data-structure. It's easier to write (and easier to understand) a recursive program for handling it.
The recursive formula for the function f(n) is f(n) f(n/2).
write a java program to find factorial using recursive and non recursive
To input a recursive equation into a TI-84 calculator, you can use the "Seq" function. First, access the "Y=" menu, then define your recursive sequence by using the format Seq(Y1, n, start, end), where Y1 is your recursive formula, and "start" and "end" are the range of values for n. Alternatively, you can manually calculate the terms by iterating through the recursive formula using the calculator's programming feature or list functions.
It look like a Fibonacci sequence seeded by t1 = 2 and t2 = 1. After that the recursive formula is simply tn+1 = tn-1 + tn.
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x_n+1 = x_n / 4
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.
The sequence 1, 4, 13, 40, 121 can be described by a recursive formula. The recursive relationship can be expressed as ( a_n = 3a_{n-1} + 1 ) for ( n \geq 2 ), with the initial condition ( a_1 = 1 ). This means each term is generated by multiplying the previous term by 3 and then adding 1.
That sounds like the definition for Recursive Formula.