dynamical system

Thân thiện

A simple dynamical system can be visualized as a pendulum swinging.

Definition

1. Noun:
   • A mathematical model in physics: A "dynamical system" is a conceptual framework used to describe the time-dependent behavior of a point in a geometrical space, known as a phase space. It consists of a set of rules (a transformation or evolution function) that dictates how the state of the system changes over time.
   • A phase space with a transformation: Formally, it is defined as a phase space (the set of all possible states of the system) paired with a rule (a function or map) that describes the evolution of points in that space.

Usage Examples

• Noun:
  • The study of chaotic behavior often involves analyzing a nonlinear dynamical system.
  • In classical mechanics, the motion of planets can be modeled as a dynamical system.
  • The researcher developed a new mathematical framework to describe the dynamical system governing fluid turbulence.

Advanced Usage

• "Continuous dynamical system": A system where time evolves continuously, typically described by differential equations.
  • The Lorenz attractor is a famous example of a continuous dynamical system exhibiting chaos.
• "Discrete dynamical system": A system where time evolves in discrete steps, often described by difference equations or iterative maps.
  • The logistic map is a simple discrete dynamical system that can produce complex, chaotic behavior.
• "Deterministic dynamical system": A system where the future state is uniquely determined by the current state and the evolution rule, with no random elements.
  • Newtonian mechanics provides the foundation for deterministic dynamical systems.

Variants and Related Words

• Dynamics (n): The branch of mechanics concerned with the motion of bodies under the action of forces. More broadly, it refers to the forces or properties that stimulate growth, development, or change within a system.
• Dynamic (adj): Characterized by constant change, activity, or progress; relating to forces producing motion (as opposed to static).
• System dynamics (n): A specific methodology for understanding the nonlinear behavior of complex systems over time using stocks, flows, internal feedback loops, and time delays.

Synonyms

• Dynamic model: A model that represents changes over time.
• Evolutionary system: A system that evolves according to a set of rules.

Related Concepts (Not Phrasal Verbs)

• Phase space: The abstract space in which all possible states of a system are represented, with each possible state corresponding to one unique point.
• Attractor: A set of states toward which a dynamical system evolves over time.
• Chaos theory: The field of study in mathematics and physics that deals with the behavior of dynamical systems that are highly sensitive to initial conditions.

Idioms and Common Phrases

Note: As a technical scientific term, "dynamical system" is not typically used in idiomatic expressions. Its usage is confined to academic, scientific, and technical contexts.

Học thuật

Noun

1. (physics) a phase space together with a transformation of that space