random walk
1
7.7
- noun
- /ˈrændəm wɔk/
- Specialized
:
camino aleatorio
- The simplest model leading to normal diffusion is the random walk.
- expansion of a random walk
- Harmonic random walk
- executes a random walk
When the process is non stationary random walk, it grows infinitely.
- When the process is non stationary random walk, it grows infinitely.
- We can't build out the whole space of possible districting plans, but we can study it, we can sample it at random, We can do random walks in the space of plans.
- It feels like for sure to center and then like do like a random walk among the policies around that.
Examples
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A probabilistic traversal algorithm is obtained by executing a random walk on the graph.
Academic text (1994) -
Taxes should follow a random walk, making it impossible to predict tax changes, which should be permanent.
Academic text (1997) -
One technical problem must be addressed in order for the random-walk approach to work.
Academic text (1994) -
The proof expands on the use of random walks outlined in this paper.
Academic text (1994) -
An interesting and surprising property of the random walk for real prices is that the diffusion rate is not constant.
Academic text (2005) -
The stock prices follow a random walk, making future movements unpredictable and challenging to forecast.
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In physics, a random walk describes the unpredictable motion of particles suspended in a fluid.
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To simulate the behavior of animals searching for food, researchers often use a random walk model.
How Random
Surface Forms
Morphology
The compound 'random walk' is a direct adjective + noun composition: a 'walk' characterized as 'random', so a B1 learner who knows both words can infer it refers to unpredictable movement or a sequence of steps determined by chance. Although the phrase has a specialized technical use in probability, its core meaning is transparently derivable from the constituents and mirrors similar constructions in other languages.
Etymology
Random walk comes from a simple image: someone taking a walk where each step goes in a new, chance direction, the random part. That's why scientists use random walk to describe things that change in steps and are hard to predict, like particles or stock prices.