radix
/'reidiks/
Học thuậtThân thiện
Definition
- Noun:
- Base of a numeral system: In mathematics and computing, "radix" refers to the number of unique digits, including zero, used to represent numbers in a positional numeral system. It is the base number that determines the value of each digit's place.
- Root or source: In more formal or technical contexts, "radix" can mean the root, origin, or foundation of something, though this usage is less common.
Examples of Usage
- Noun:
- In the binary system, the radix is 2.
- The radix of the hexadecimal system is 16.
- The concept of zero is crucial for positional systems with any radix.
Advanced Usage
- "Mixed radix": A numeral system where different digit positions have different bases.
- Representing time (hours, minutes, seconds) uses a mixed radix system.
- "Radix point": The generalization of a decimal point; it separates the integer part from the fractional part in any base.
- In binary, the radix point is sometimes called the "binary point."
Variants and Related Words
- Radices (n): The plural form of "radix."
- Different ancient cultures used various radices for their counting systems.
- Radical (adj): Pertaining to the root or origin; fundamental. (Shares the same Latin root , meaning "root.")
- A radical change is one that goes to the root of the matter.
Synonyms
- Base: The most common synonym in mathematics.
- The base-10 system is familiar to most people.
- Root: A synonym in the context of origin or source.
Related Phrases and Technical Terms
- Radix sort: A non-comparative integer sorting algorithm that groups numbers by their individual digits.
- Radix sort is efficient for sorting lists of integers.
- Radix complement: In numeral systems, a method for representing negative numbers (e.g., two's complement in binary).
- The radix complement is essential for computer arithmetic.
Related Idioms
(Note: As a highly technical term, "radix" is not commonly used in idiomatic expressions. Its usage is primarily confined to mathematical and computing contexts.)
Noun
- (numeration system) the positive integer that is equivalent to one in the next higher counting place
- 10 is the radix of the decimal system