## how to get a random number from fibonacci series

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I want to get a random number from the Fibonacci series:

0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765, 10946, 17711, 28657, 46368, 75025, 121393, 196418, 317811, ...

Here is my code:

```var number = Math.floor(Math.random() * 100000);
var series_element = -1;
if (number < 1) {
series_element = 1;
} else {
if (number < 2) {
series_element = 2;
} else {
if (number < 3) {
series_element = 3;
} else {
if (number < 5) {
series_element = 5;
} else {
if (number < 8) {
series_element = 8;
} else {
if (number < 13) {
series_element = 13;
} else {
if (number < 21) {
series_element = 21;
}
////// series continues to 317811
}
}
}
}
}
}
alert(series_element);
```

But I never got the value of `series_element` less than 100. It always shows me higher values.

I think you mean that you're not getting a random number less than 100 from the `Math.random()` function. So you're not getting your variable `series_element` to be 11 or less (the first 11 terms of the Fibonacci sequence: 0 1 1 2 3 5 8 13 21 34 55 89).

In fact, it's a matter of probabilities.

100 / 1000000 = 0.0001

If you keep executing it you'll get a value less than 100 at some point... approximately 1 from 10000 times you do it.

There's nothing wrong with your code, but it could be improved so you don't have to put so much ifs.

Fibonacci Number Formula – Mudd Math Fun Facts, reflect how far the price could go following another price move. The elegance of the series is that you can start with any two numbers and create your own sequence. So you could begin with lines 5,10 and then continue the series: 5 10 15 25 40 65 105 etc. You could then select lines from the combinations generated based on the fibonacci numbers. For example you might select lines 5,10,15 and so on.

First, let's define a function to calculate the fibonacci numbers. Details on how to do that can be find here: https://medium.com/developers-writing/fibonacci-sequence-algorithm-in-javascript-b253dc7e320e

```function fibonacci(num){
var a = 1, b = 0, temp;
while (num >= 0){
temp = a;
a = a + b;
b = temp;
num--;
}
return b;
}
```

To get a random Fibonacci number you can call this function with a random number.

```var number = Math.floor(Math.random()*100);
var result = fibonacci(number);
```

I don't recommend going after 100 as your computer may take too much time to process the result...

Fibonacci Sequence, It lets you generate however many random Fibonacci numbers you need from the given range. It works in the browser and is powered by alien technology from the​  Random Fibonacci sequence. From Wikipedia, the free encyclopedia. (Redirected from Random Fibonacci Sequence) Jump to navigation Jump to search. In mathematics, the random Fibonacci sequence is a stochastic analogue of the Fibonacci sequence defined by the recurrence relation fn = fn−1 ± fn−2, where the signs + or − are chosen at random with equal probability 1/2, independently for different n.

You are using with poorly structured code to generate fabonacci series. Try something like following, you will get value under 100 and 1000 Where `N` is position of Fibonacci number from `1` to `N` and `X` is actual number.

```var n = function getRandomNum() {
return Math.floor(Math.random()*100) +1;
}

var result = [];
result[0] = 1;
result[1] = 1;

function fib(x) {
var ix, ixLen;
for(ix = 0, ixLen = x; ix < ixLen; ix++){
if(!result[ix]){
result[ix] = result[ix-2] + result[ix-1];
}
}
console.log('n:', x, ' result: ', result[ix-1]);
return result[ix-1];
}
console.log(fib(n()));```

Fibonacci Numbers Lines Definition and Uses, Free online Fibonacci number generator. Just specify how many Fibonacci numbers you need and you'll automatically get that many Fibonaccis. There are no  World's simplest Fibonacci number calculator. Just press Generate Fibs button, and you get Fibonacci numbers. Press button, get numbers. No ads, nonsense or garbage.

What is the Fibonacci Sequence (aka Fibonacci Series)?, When we take any two successive (one after the other) Fibonacci Numbers, We don't have to start with 2 and 3, here I randomly chose 192 and 16 (and got the  function GetFibonacciNumber(){var val = Math.floor((Math.random() * 1000) + 1); var flag = false; var prev = 0; var curr = 1; while(prev<=val){if(prev == val)

Generate Random Fibonacci Numbers, The problem we have in computer security is to generate random numbers that cannot be predicted, as we will often generate encryption keys for  Previous: Write a R program to create a vector which contains 10 random integer values between -50 and +50. Next: Write a R program to get all prime numbers up to a given number (based on the sieve of Eratosthenes).

Generate Fibonacci Numbers, Generate Fibonacci Numbers. web developer and programmer tools. World's simplest Fibonacci number calculator. Just press Generate Fibs button, and you get  Article Summary X. To calculate the Fibonacci sequence up to the 5th term, start by setting up a table with 2 columns and writing in 1st, 2nd, 3rd, 4th, and 5th in the left column. Next, enter 1 in the first row of the right-hand column, then add 1 and 0 to get 1.