fibonacci number
Học thuậtThân thiện
Definition
- Noun:
- A number in the Fibonacci sequence: A Fibonacci number is an integer that appears in the Fibonacci sequence, a series where each number is the sum of the two preceding ones, typically starting with 0 and 1.
Usage
- The term "Fibonacci number" is used in mathematics, computer science, and nature studies to describe specific integers from this famous sequence.
- It is a countable noun (e.g., "the tenth Fibonacci number").
Examples
- Noun:
- 5 is a Fibonacci number because it appears in the sequence 0, 1, 1, 2, 3, 5, 8...
- The ratio between consecutive Fibonacci numbers approximates the golden ratio.
Advanced Usage
- "n-th Fibonacci number": Refers to the number occupying the n-th position in the sequence.
- Calculating the 100th Fibonacci number requires an efficient algorithm.
Variants and Related Words
- Fibonacci sequence (n): The entire infinite series of numbers generated by the Fibonacci rule.
- The Fibonacci sequence is often observed in biological settings, such as the arrangement of leaves.
Synonyms
- Term in the Fibonacci series: A more descriptive synonym.
- Element of the Fibonacci progression: A formal mathematical synonym.
Noun
- a number in the Fibonacci sequence