random walk

• Conceito matemático e científico que descreve um processo no qual um caminho é formado por uma sequência de passos aleatórios, usado para modelar fenômenos em física, finanças e biologia.

A mathematical and scientific concept describing a process where a path consists of a succession of random steps, often used to model phenomena in physics, finance, and biology.

1. Mathematical conceptC1formal

   A process in which a variable moves in a sequence of steps, each step being determined by chance, often used in physics, finance, and statistics.

   Caminhada aleatória

   • The movement of a stock price is often modeled as a random walk.
   • In physics, Brownian motion is a classic example of a random walk.
   • The random walk hypothesis suggests that past price movements cannot predict future ones.

2. Figurative useB2informal

   A situation or process that seems to have no clear direction or pattern, moving unpredictably.

   Caminhada aleatória

   • His career path has been a random walk from one job to another.
   • The conversation was a random walk through various unrelated topics.
   • Her thoughts took a random walk, jumping from idea to idea.