changing variables

[CHAY-nj-ing VAIR-ee-uh-bulz]
noun phrase / gerund + noun
mudança de variáveis
1. The process of substituting or replacing one or more variables in a mathematical equation, function, or system with different variables, often to simplify calculations or transform the problem into a more manageable form
Changing variables from Cartesian to polar coordinates made the integration much easier.
Mudar as variáveis de coordenadas cartesianas para polares tornou a integração muito mais fácil.
2. In programming and software development, the act of modifying or reassigning the values stored in variables during program execution
Changing variables during runtime can affect the program's behavior and output.
Mudar variáveis durante a execução pode afetar o comportamento e a saída do programa.
3. In general contexts, the act of altering or substituting factors, conditions, or parameters in any situation or analysis
Changing variables in the experiment design helped us identify the true cause of the effect.
Mudar as variáveis no design do experimento nos ajudou a identificar a verdadeira causa do efeito.
This is primarily a technical and academic term used in mathematics, physics, engineering, and computer science education. It is equally used in both Brazilian and American English contexts. In Brazil, it appears frequently in university textbooks on calculus and linear algebra (álgebra linear). The concept is fundamental to higher mathematics and is treated with the same rigor in both cultures.
Synonyms / Sinônimos
variable substitutionparameter modificationcoordinate transformationvariable transformation
Antonyms / Antônimos
keeping variables constantfixed variablesconstant parameters

Regional Variations

General Brazilian Portuguese
mudança de variáveis
Standard term used in mathematics and programming contexts
Portugal
mudança de variáveis
Same term as Brazilian Portuguese; identical usage in academic and technical fields
São Paulo
mudança de variáveis / troca de variáveis
Both forms are used; troca is slightly more colloquial
Rio de Janeiro
mudança de variáveis
Formal term preferred in academic contexts

Related Words

substitutiontransformationcalculusalgebrafunctionsparameterscoordinatesintegration

Related Idioms & Phrases

change the game
shift the parameters
moving the goalposts
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