random progression

[/ˈrændəm prəˈɡreʃən/]
nounpl: random progressions
progressão aleatória
1. A sequence or series of events, numbers, or elements that advance in an unpredictable or non-systematic manner without a discernible pattern or predetermined order
The algorithm generates a random progression of numbers for the encryption key.
O algoritmo gera uma progressão aleatória de números para a chave de criptografia.
2. In music, a chord sequence that moves through different harmonies without following conventional harmonic rules
The composer used a random progression of chords to create an avant-garde sound.
O compositor usou uma progressão aleatória de acordes para criar um som de vanguarda.
3. In statistics and mathematics, a sequence where each element is determined by chance rather than by a mathematical formula
The data followed a random progression that made prediction difficult.
Os dados seguiram uma progressão aleatória que dificultava a previsão.
The term 'random progression' is primarily used in academic, technical, and musical contexts in both English and Portuguese-speaking countries. In Brazil, it is commonly employed in computer science, mathematics, and music theory courses. The concept is increasingly relevant in discussions of artificial intelligence and data science, where random progressions play a crucial role in algorithms and machine learning models.
Synonyms / Sinônimos
random sequenceunpredictable sequencestochastic progressionarbitrary progressionchance sequence
Antonyms / Antônimos
deterministic progressionsystematic progressionordered sequencepredictable sequencearithmetic progression

Regional Variations

General Brazilian Portuguese
progressão aleatória
Standard academic and technical term used in mathematics, music, and computer science
São Paulo
progressão aleatória
Commonly used in tech and academic contexts
Rio de Janeiro
progressão aleatória
Same usage as in other regions; formal register
Portugal
progressão aleatória
European Portuguese uses same term; occasionally 'sequência aleatória' as alternative

Related Words

randomnessstochastic processprobabilityunpredictabilitychaos theoryalgorithm

Related Idioms & Phrases

all over the map
all over the place
hit or miss
by chance
without rhyme or reason
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