mapping
/'mæpiɳ/
Học thuậtThân thiện
Definition
- Noun:
- (Mathematics) A mathematical relation: A precise rule that associates each element from one set (called the domain) with exactly one element in another set (called the codomain or range). This is the fundamental concept of a function.
- (Genetics) The process of locating genes: The scientific procedure of determining the specific positions of genes or other DNA sequences on a chromosome.
- The act or process of making a map: The creation of a diagrammatic representation of an area.
Examples of Usage
Noun (Mathematics):
- The function f(x) = x² defines a mapping from real numbers to non-negative real numbers.
- Understanding the concept of mapping is essential for learning linear algebra.
Noun (Genetics):
- The Human Genome Project involved the detailed mapping of human DNA.
- Genetic mapping helps identify the location of genes responsible for certain diseases.
Noun (Cartography/General):
- The mapping of the ocean floor revealed new underwater mountains.
- His job involves the digital mapping of urban areas.
Advanced Usage
"One-to-one mapping" (Mathematics): A mapping where each element of the range is the image of exactly one element from the domain (an injective function).
- The relationship between a person and their unique social security number is a one-to-one mapping.
"Mind mapping" (General): A visual technique for organizing information around a central concept.
- She used mind mapping to brainstorm ideas for her essay.
Variants and Related Words
Map (n/v): The diagram itself (noun) or the act of creating it (verb).
- We need a map of the city. (Noun)
- They plan to map the entire region. (Verb)
Mapper (n): A person or tool that creates maps.
- He works as a data mapper for a tech company.
Synonyms
- Function (Mathematics): A mapping where each input has a single output.
- Charting (General): The process of making a map or chart.
- Localization (Genetics): Determining the specific position of something.
Related Phrases
Mapping out: To plan something in detail.
- We spent the afternoon mapping out our strategy for the project.
Mapping onto (Mathematics): Describing how one set corresponds to another.
- This operation maps the vector onto a new subspace.
Noun
- (genetics) the process of locating genes on a chromosome
- (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)