# Viết Tiếp Vào Chuỗi Sau: 0 1 1 2 3 5 8

Summary: The Fibonacci Sequence is a peculiar series of numbers from classical mathematics that has found applications in advanced mathematics, nature, statistics, computer science, and Agile Development. Let’s delve into the origins of the sequence và how it applies to lớn Agile Development.

## What Is The Fibonacci Sequence?

The Fibonacci sequence is a series of numbers where a number is the addition of the last two numbers, starting with 0, và 1.Bạn vẫn xem: The fibonacci sequence 1, 1, 2, 3, 5, 8 occurs in nature

The Fibonacci Sequence: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55…

Written as a rule, the expression is:

Xn = Xn-1 + Xn-2

### The Fibonacci Spiral và The Golden Ratio

The Fibonacci sequence is often visualized in a graph such as the one in the header of this article. Each of the squares illustrates the area of the next number in the sequence. The Fibonacci spiral is then drawn inside the squares by connecting the corners of the boxes.

Bạn đang xem: Viết tiếp vào chuỗi sau: 0 1 1 2 3 5 8 The squares fit together perfectly because the ratio between the numbers in the Fibonacci sequence is very close lớn the golden ratio , which is approximately 1.618034. The larger the numbers in the Fibonacci sequence, the closer the ratio is to lớn the golden ratio.

The spiral and resulting rectangle are also known as the Golden Rectangle .

### The Origins Of The Fibonacci Sequence

Fibbonaci (Leanardo Pisano Bogollo , Fibonacci was his nickname) first introduced the series of numbers known as the Fibonacci sequence in his book Liver Abaci in 1202. Fibonacci was a member of an important Italian trading family in the 12th & 13th century. Being part of a trading family, mathematics was an integral part of the business. Fibonacci traveled throughout the Middle East & India and was captivated by the mathematical ideas from his travels. His book, Liver Abaci, was a discourse on the mathematical methods in commerce that Fibonacci observed during his travels.

Fibonacci is remembered for two important contributions to lớn Western mathematics:

He helped spread the use of Hindu systems of writing numbers in Europe (0,1,2,3,4,5 in place of Roman numerals).The seemingly insignificant series of numbers later named the Fibonacci Sequence after him.

Fibonacci discovered the sequence by posing the following question:

If a pair of rabbits is placed in an enclosed area, how many rabbits will be born there if we assume that every month a pair of rabbits produces another pair and that rabbits begin to lớn bear young two months after their birth?

Start: At the start no rabbits are born, as the initial pair has not had time lớn be pregnant và born (0).The first month: One pair of rabbits are born (1).The second month: Again, one pair of rabbits are born as the new rabbits have not yet matured lớn bear young (1).The third month: Two pairs of rabbits reproduce, & one pair is not ready, so two pairs of rabbits are born (2).The fourth month: Three pairs of rabbits reproduce và 2 pairs of rabbits are not ready, so three pairs of rabbits are born (3).The fifth month: Five pairs of rabbits produce và three are not ready, so five pairs of rabbits are born (5).And so on. Sunflower Seeds are a dramatic demonstration the Fibonacci Sequence in nature.

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### The Importance of the Fibonacci Sequence

While this series of numbers from this simple brain teaser may seem inconsequential, it has been rediscovered in an astonishing variety of forms, from branches of advanced mathematics to lớn applications in computer science , statistics , nature , and agile development.

### How Τhe Fibonacci Sequence Ιs Used Ιn Agile Development

Now you may be saying to yourself “That’s nice, but what does it have to bởi vì with Agile Development?”, and that’s a great question. What does the Fibonacci Sequence have to bởi with Agile Development? Interestingly, the Fibonacci’s Sequence is a useful tool for estimating the time lớn complete tasks.

A big part of managing an Agile team is estimating the time tasks will take khổng lồ complete. A points system is often used to lớn give a high-level estimate of the scale or form size of a specific task. Bigger more complex tasks get more points and smaller tasks get fewer points. Managers can then reviews and prioritize tasks based upon the assigned scale.

### Using The Fibonacci Sequence With Your Team

To use the Fibonacci Sequence, instruct your team to lớn score tasks from the Fibonacci Sequence up to 21.

1, 2, 3, 5, 8, 13, 21

One being the smallest easiest tasks & twenty-one being large projects. As far as why you should use the Fibonacci sequence instead of, say, t-shirt sizes, kiểm tra back for my next article on 5 Reasons Using the Fibonacci Sequence Will Make You Better at Estimating Tasks in Agile Development.

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And for more on leading an Agile eLearning Development team, check out our sweet eBook guide, The Agile Guide lớn Agile Development.

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1. 5 Reasons Using The Fibonacci Sequence Makes You Better At Agile Development