Search references for STATE VARIABLE. Phrases containing STATE VARIABLE
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Quantity used to describe the mathematical state of a dynamical system
A state variable is one of the set of mathematical variables that are used to describe the "state" of a system, e.g. of a dynamical system or a thermodynamical
State_variable
Type of variable active electronic filter
A state variable filter (SVF) is a type of active filter in electronic circuits. In a state-variable filter architecture the signal and its successive
State_variable_filter
Mathematical model of a system in control engineering
system identification, a state-space representation is a mathematical model of a physical system that uses state variables to track how inputs shape
State-space_representation
Quantifiable conditions of a thermodynamic system at a specific time
known as state variables, state parameters or thermodynamic variables. Once such a set of values of thermodynamic variables has been specified for a system
Thermodynamic_state
Topics referred to by the same term
Look up Variable, variable, or variables in Wiktionary, the free dictionary. Wikiversity has learning resources about Variable Variable may refer to:
Variable
State machines and generalizations in UML
UML state machines the whole state of the state machine is commonly split into (a) an enumerable state variable and (b) all the other variables which
UML_state_machine
Principle to predict effects of a change in conditions on a chemical equilibrium
state variable X {\displaystyle X} , with its conjugate state variable Y . {\displaystyle Y.} For this to be of interest, the 'moderating' variable X
Le_Chatelier's_principle
Necessary condition for optimality associated with dynamic programming
their state variables, but there would probably be others. The variables chosen at any given point in time are often called the control variables. For
Bellman_equation
Body of matter in a state of internal equilibrium
given time is described by its state, which can be specified by the values of a set of thermodynamic state variables. A thermodynamic system is in thermodynamic
Thermodynamic_system
Function describing equilibrium states of a system
equilibrium, a state function, function of state, or point function for a thermodynamic system is a function relating several state variables or state quantities
State_function
Law of thermodynamics establishing the conservation of energy
the existence of an important state variable that corresponds with adiabatic work, but not that such a state variable represented a conserved quantity
First_law_of_thermodynamics
Type of energy transfer
thermodynamic work is defined through changes in the system’s macroscopic state variables, in conjugate pairs such as pressure and volume, or magnetisation and
Heat
Experimental element which is not changed throughout the experiment
multiple variables, is a control variable. A control variable is an element that is not changed throughout an experiment because its unchanging state allows
Control_variable
Type of simulation
system state is changed continuously over time on the basis of a set of differential equations defining the rates of change for state variables. In the
Discrete-event_simulation
State in which variables of a system are unchanging in time
systems theory, a system or a process is in a steady state if the variables (called state variables) which define the behavior of the system or the process
Steady_state
Date and time representation system widely used in computing
attention to the leap second state variable, which unambiguously indicates whether the leap has been performed yet. The state variable change is synchronous
Unix_time
Reciprocating internal combustion engine
conventional cast-iron linings ever since. The engine originally used a two-state Variable Valve Timing system to switch the intake cam timing by 30°. Newer variants
Jaguar_AJ-V8_engine
Property of a thermodynamic system
Entropy is a thermodynamic state variable that quantifies the probabilistic distribution of accessible microstates in a system. The term and the concept
Entropy
Predictive filter
adequately approximated by a model having two internal state variables, where the first variable is obtained by integrating the value of the second over
Alpha_beta_filter
Remembered information in a computer system
state is usually represented with temporal logic as explicit variables that represent the program state at each step of a program execution: a state variable
State_(computer_science)
Properties independent of system size, and proportional to system size
but not both, of a conjugate pair may be set up as an independent state variable of a thermodynamic system. Conjugate setups are associated by Legendre
Intensive and extensive properties
Intensive_and_extensive_properties
Computer programming, a variable accessible throughout a computer program
all global variables is known as the global environment or global state. In compiled languages, global variables are generally static variables, whose extent
Global_variable
Situation in which state variables of a chemical system are constant with time
In chemistry, a steady state is a situation in which all state variables are constant in spite of ongoing processes that strive to change them. For an
Steady_state_(chemistry)
Passage of a system from an initial to a final state of thermodynamic equilibrium
thermodynamic state variables, that depend only on the current state of the system, not on the path taken by the processes that produce the state. In general
Thermodynamic_process
Physical quantity of hot and cold
described by stating its internal energy U, an extensive variable, as a function of its entropy S, also an extensive variable, and other state variables V, N
Temperature
Named container for a particular type of data
In some high-level programming languages, a variable is an abstract storage or indirection location paired with an associated symbolic name, which contains
Variable (high-level programming language)
Variable_(high-level_programming_language)
Optimal control equation
the state variables. The costate variables λ ( t ) {\displaystyle \lambda (t)} can be interpreted as Lagrange multipliers associated with the state equations
Costate_equation
Type of energy transfer
matched by values of or contributions to changes in macroscopic internal state variables of the system, which always occur in conjugate pairs, for example pressure
Work_(thermodynamics)
Probabilistic optimal control
evolution and observation of the state variables. Stochastic control aims to design the time path of the controlled variables that performs the desired control
Stochastic_control
on continuum mechanics. Most of the work on damage mechanics uses state variables to represent the effects of damage on the stiffness and remaining life
Damage_mechanics
Function used in optimal control theory
x_{2}(t),\ldots ,x_{n}(t)\right]^{\mathsf {T}}} denotes a vector of state variables, and u ( t ) = [ u 1 ( t ) , u 2 ( t ) , … , u r ( t ) ] T {\displaystyle
Hamiltonian_(control_theory)
Dynamic system property
output trajectories The state of a deterministic system, which is the set of values of all the system's state variables (those variables characterized by dynamic
Controllability
Branch of thermodynamics
of macroscopic quantities (non-equilibrium state variables) that represent an extrapolation of the variables used to specify the system in thermodynamic
Non-equilibrium thermodynamics
Non-equilibrium_thermodynamics
Numerical method
physically interesting quantity. An adjoint state equation is introduced, including a new unknown variable. The adjoint method formulates the gradient
Adjoint_state_method
State of matter
to as compressibility. Like pressure and temperature, density is a state variable of a gas and the change in density during any process is governed by
Gas
Mathematical way of attaining a desired output from a dynamic system
function of state and control variables. An optimal control is a set of differential equations describing the paths of the control variables that minimize
Optimal_control
Type of mathematical equation
is a mathematical equation for an unknown function of one or several variables that relates the values of the function itself and its derivatives of
Matrix_differential_equation
Algorithm that estimates unknowns from a series of measurements over time
hidden Markov model such that the state space of the latent variables is continuous and all latent and observed variables have Gaussian distributions. Kalman
Kalman_filter
Method in programming
very different design methodology—Algorithmic State Machine design (ASM)—using Lyapunov state-variable mathematics, and derivative techniques pioneered
Algorithmic_state_machine
Electronic filter circuits defined by component connection
2019-10-28. Retrieved 2021-07-30. This means Sallen-Key filters, state-variable variable filters, multiple feedback filters and other types are all biquads
Electronic_filter_topology
Proportion of salt dissolved in water
waters and of biological processes within it, and is a thermodynamic state variable that, along with temperature and pressure, governs physical characteristics
Salinity
Set of networking protocols
devices and services with vendor-defined actions, state variables, data structure elements, and variable values. UPnP uses common Internet technologies.
Universal_Plug_and_Play
Equation in mathematical physics
transitions. The equation describes the time evolution of a scalar-valued state variable η {\displaystyle \eta } on a domain Ω {\displaystyle \Omega } during
Allen–Cahn_equation
Artificial neural network that mimics neurons
the firing threshold is reached—the neuron fires. After firing, the state variable is reset to a lower value. Various decoding methods exist for interpreting
Spiking_neural_network
Symbol representing a mathematical object
that the variable represents or denotes the object, and that any valid candidate for the object is the value of the variable. The values a variable can take
Variable_(mathematics)
Computer programming, a variable only usable in a portion of a program (the scope)
In computer science, a local variable is a variable that is given local scope. A local variable reference in the function or block in which it is declared
Local_variable
Type of probabilistic logic
binary state variable, and can be represented as a Beta PDF (Probability Density Function). A multinomial opinion applies to a state variable of multiple
Subjective_logic
Measure of energy in a thermodynamic system
function H(S, p), with its entropy S[p] and its pressure p as natural state variables which provide a differential relation for dH of the simplest form,
Enthalpy
Branch of engineering and mathematics
process variable (PV), and compares it with the reference or set point (SP). The difference between actual and desired value of the process variable, called
Control_theory
Energy contained within a system
function of state, its arguments are exclusively extensive variables of state, which is why it is sometimes called a cardinal function of state. Alongside
Internal_energy
Star whose brightness fluctuates, as seen from Earth
A variable star is a star whose brightness as seen from Earth (its apparent magnitude) changes systematically with time. This variation may be caused by
Variable_star
Thermodynamic concept imporant in astrophysics
with pressure dependent upon density, leaving only one independent state variable. A polytropic process is intermediate between an isothermal process
Polytrope
Description of a system using mathematical concepts and language
depends on other variables too: decision variables, state variables, exogenous variables, and random variables. Decision variables are sometimes known
Mathematical_model
asset pricing model (CAPM). It is a linear factor model with wealth as state variable that forecasts changes in the distribution of future returns or income
Intertemporal_CAPM
boolean matrix with rows corresponding to state codes and columns corresponding to state variables. One state variable is considered at a time, and the algorithm
State_encoding_for_low_power
Capacitor whose capacitance can be changed
A variable capacitor is a capacitor whose capacitance may be intentionally and repeatedly changed mechanically or electronically. Variable capacitors are
Variable_capacitor
Maximized objective function of an optimization problem
{\displaystyle [t,t_{1}]} when started at the time- t {\displaystyle t} state variable x ( t ) = x {\displaystyle x(t)=x} . If the objective function represents
Value_function
Semi-modular analogue synthesizer
saw waveforms ranging from 8Hz to 8KHz (16KHz max with LFO/CV), one state-variable (low- and high-pass) voltage controlled filter, and a white noise generator
Mother-32
Standard testing domain in Reinforced learning
reinforcement learning agent to learn on two continuous variables: position and velocity. For any given state (position and velocity) of the car, the agent is
Mountain_car_problem
Nonlinear equation which arises on linear optimal control problems
control variables at any time can be found using the solution of the Riccati equation and the current observations on evolving state variables. With multiple
Algebraic_Riccati_equation
Computer program variable of undefined value
In computing, an uninitialized variable is a variable that is declared but is not set to a definite known value before it is used. It will have some value
Uninitialized_variable
Programming paradigm entirely based on functions
functions. Program state and mutable objects are usually modeled with temporal logic, as explicit variables that represent the program state at each step of
Purely_functional_programming
Electronic filter circuit controlled with voltage
panel-mounted control. Its internal circuit was a classic analog computer state variable "loop", which provided outputs in quadrature. A VCF is an example of
Voltage-controlled_filter
Evolutionary algorithm
sampled solutions based on their fitness, 3) update of the internal state variables based on the re-ordered samples. A pseudocode of the algorithm looks
CMA-ES
Mathematical model of computation
implementation requires a register to store state variables, a block of combinational logic that determines the state transition, and a second block of combinational
Finite-state_machine
Computer modeling of time-varying behavior of a dynamical system
the state variables. Simulation of dynamic systems predicts the values of model-system state variables, as they are determined by the past state values
Dynamical_system_simulation
Type of regression analysis
such as mathematical operators, analytic functions, constants, and state variables. Usually, a subset of these primitives will be specified by the person
Symbolic_regression
Concept in mathematics or computer science
science, a variable may be said to be either free or bound. Some older books use the terms real variable and apparent variable for free variable and bound
Free variables and bound variables
Free_variables_and_bound_variables
Approximate method for the simulation of a stochastic system
x'(t))} is a Poisson distributed random variable with mean τ x ′ ( t ) {\displaystyle \tau x'(t)} . Given a state x ( t ) = { X i ( t ) } {\displaystyle
Tau-leaping
Variables Control
control is a variable chosen by the controller or agent to manipulate state variables, similar to an actual control valve. Unlike the state variable, it does
Control (optimal control theory)
Control_(optimal_control_theory)
Ecological concept
Ecosystems can shift from one state to another via a significant perturbation directly to state variables. State variables are quantities that change quickly
Alternative_stable_state
Automotive transmission technology
A continuously variable transmission (CVT) is an automatic transmission that can change through a continuous range of gear ratios, typically resulting
Continuously variable transmission
Continuously_variable_transmission
Game in structural combinatorics
combinatorics. Each vertex has the number of "chips" indicated by its state variable. On each firing, a vertex is selected and one of its chips is transferred
Chip-firing_game
Variable defined outside any function block in C programming
B, an external variable is a variable defined outside any function block. On the other hand, a local (automatic) variable is a variable defined inside
External_variable
Economic model of personal preferences
person, whose choices are not deterministic, but depend on a random state variable. A basic assumption in classic economics is that the choices of a rational
Random_utility_model
Property of having multiple stable equilibrium points
simplest form of multistability, and can occur in systems with only one state variable, as it only takes a one-dimensional space to separate two points. Near
Multistability
Growth rate relative to size
relevant in cases where the increase in a state variable over time is proportional to the value of that state variable at the beginning of a time period. In
Relative_growth_rate
Type of quantum mechanics theory
additional, possibly inaccessible, variables. The mathematical formulation of quantum mechanics assumes that the state of a system prior to measurement
Hidden-variable_theory
Linked cyclic series of thermodynamic processes
pressure, temperature, and other state variables within the system, and that eventually returns the system to its initial state. In the process of passing through
Thermodynamic_cycle
Branch of artificial intelligence
Classical Planning, are based on state variables. Each possible state of the world is an assignment of values to the state variables, and actions determine how
Automated planning and scheduling
Automated_planning_and_scheduling
Types of quantities in financial fields
(say, December 31, 2004), which may have accumulated in the past. A flow variable is measured over an interval of time. Therefore, a flow would be measured
Stock_and_flow
Programming which all objects are created by classes
of state (variables) and behavior (methods) that are each either associated with a particular object or with all objects of that class. Object state can
Class_(programming)
Flow graph invented by Claude Shannon
flow in various electronic networks and amplifiers, digital filters, state-variable filters and some other types of analog filters. In nearly all literature
Signal-flow_graph
Formal method for the development of computer-based systems
someStateRegister = someStateRegister~ + i Where the ~ symbol on the state variable in the postcondition indicates the value of the state variable before
Vienna_Development_Method
Class of statistical modeling methods
observed variables X {\displaystyle X} represents a sequence of observations and Y {\displaystyle Y} represents a hidden (or unknown) state variable that
Conditional_random_field
Graphical representation of energy flows in physical systems
use the concept of analogous power conjugate variables whose product is energy flow, or power; these variable pairs are called effort and flow and, for example
Bond_graph
Function in thermodynamics and statistical physics
functions of the thermodynamic state variables, such as the temperature and volume. Most of the aggregate thermodynamic variables of the system, such as the
Partition function (statistical mechanics)
Partition_function_(statistical_mechanics)
minimum number of state variables required to describe a system equals the order of the differential equation; more state variables than the minimum can
Minimal_realization
Early graphical hypertext system
incorporated state variables associated with each page. For example, clicking a button indicating a particular hardware fault might set a state variable that
Electronic_Document_System
State of thermodynamic systems where no net flow of matter or energy occurs
thermodynamic equilibrium, with stated nominal values of its functions of state conjugate to its specifying state variables', is far far more informative
Thermodynamic_equilibrium
act on the space of independent variables, state variables (dependent variables) and derivatives of the state variables up to any finite order. There are
Lie_point_symmetry
Environment which allows specification of state machines for software using multivalued variables. A state variable in the VFSM environment may have one or
Virtual_finite-state_machine
Stars with irregular large fluctuations in brightness
cataclysmic variable stars (CVs) are stars which irregularly increase in brightness by a large factor, then drop back down to a quiescent state. They were
Cataclysmic_variable_star
Concept in game theory
rather than in discrete steps, and for which the rate of change of each state variable—like position, speed, or resource level—is governed by a differential
Differential_game
Class of thermodynamic models
{\displaystyle b={\frac {RT_{\text{c}}}{8p_{\text{c}}}}.} With the reduced state variables, i.e. V r = V m / V c {\displaystyle V_{\text{r}}=V_{\text{m}}/V_{\text{c}}}
Cubic_equations_of_state
Characterized by some of the outputs or internal states growing without bounds
state variable in a system is said to be unstable if it evolves without bounds. A system itself is said to be unstable if at least one of its state variables
Instability
Facts provided or learned about something or someone
only if, given its state variables for some initial period, the theory logically determines a unique set of values for those variables for any other period
Information
Statistical model
an independent variable and a dependent variable, through the inclusion of a third hypothetical variable known as a mediator variable (also referred to
Mediation_(statistics)
Thought experiment in statistical physics
the 'state variables' and will be discussed later, when it is argued that the number of particles, n {\displaystyle n} lacks full status as a state variable
Gibbs_paradox
Placeholder variables in programming
metasyntactic variables in computer programming or computer-related documentation. They have been used to name entities such as variables, functions, and
Foobar
STATE VARIABLE
STATE VARIABLE
Girl/Female
English Scandinavian Anglo Saxon Irish
Brings joy.
Boy/Male
English Scandinavian American Irish Native American
Cheerful.
Boy/Male
American, Anglo, Australian, British, Chinese, Christian, English, Finnish, German, Indian, Irish, Norse, Scandinavian
To be Cheerful; Great; Measure of Land; Great Talker
Girl/Female
Muslim
Wealth, Empire, State
Surname or Lastname
Indian (northern states)
Indian (northern states) : Hindu name meaning ‘lamp’, from Sanskrit dīpa. It occurs commonly as the final element of compound personal names, e.g. in Kuldeep ‘light of the family’. Subsequently, it appears to have evolved into a surname.English : presumably from the adjective deep, either a topographic name for someone who lived in a deep valley, or perhaps a nickname for a ‘deep’, thoughtful person.
Boy/Male
Arabic
Power; State
Male
English
English surname transferred to unisex forename use, TATE means "cheerful."
Boy/Male
Arabic
State; Condition
Boy/Male
Arabic
Leadership; State
Boy/Male
Hindu, Indian
State; Country
Girl/Female
Indian, Kashmiri
State Honour
Boy/Male
Celebrity, Hindu, Indian, Telugu
State
Surname or Lastname
English
English : unexplained.
Boy/Male
Arabic
State; Dignity
Boy/Male
Arabic
Leadership; State
Boy/Male
Arabic
Power; State
Surname or Lastname
English
English : metonymic occupational name for a slater, from Middle English slate ‘slate’.
Surname or Lastname
English and Irish
English and Irish : variant of Stacey.
Girl/Female
American, Anglo, Australian, British, English, Finnish, Irish, Scandinavian
Light Hearted; Cheerful; Pleasant and Bright; Brings Joy; Bright; Great; Measure of Land
Surname or Lastname
English
English : from the Old English personal name TÄta, possibly a short form of various compound names with the obscure first element tÄt, or else a nursery formation. This surname is common and widespread in Britain; the chief area of concentration is northeastern England, followed by northern Ireland.
STATE VARIABLE
STATE VARIABLE
Male
German
German form of Latin Christophorus, CHRISTOPH means "Christ-bearer."Â
Girl/Female
Hindu, Indian
Made of Snow
Boy/Male
French, German, Greek, Indian
God; Jupiter
Girl/Female
Greek
Form of Danae; the mythological mother of Perseus by Zeus.
Female
Russian
(Вероника) Russian form of Latin Veronica, VERONIKA means "bringer of victory."
Boy/Male
Hindu, Indian
God Trimurti
Girl/Female
Australian, Japanese
Snow
Boy/Male
British, English, Latin
An Eagle
Boy/Male
Australian, Christian, Hebrew
People of Jehovah; Taught by Jehovah
Girl/Female
American, Australian, British, Christian, English, Latin, Spanish
Sorrows
STATE VARIABLE
STATE VARIABLE
STATE VARIABLE
STATE VARIABLE
STATE VARIABLE
v. t.
To mark the limits of by stakes; -- with out; as, to stake out land; to stake out a new road.
imp. & p. p.
of State
a.
Belonging to the state, or body politic; public.
n.
Estate; state.
n.
The state; the general body politic; the common-wealth; the general interest; state affairs.
n.
Estate, possession.
n.
See Skate, for the foot.
v. t.
To cover with slate, or with a substance resembling slate; as, to slate a roof; to slate a globe.
a.
Recurring at regular time; not occasional; as, stated preaching; stated business hours.
v. t.
To exhibit upon a stage, or as upon a stage; to display publicly.
n.
Rank; condition; quality; as, the state of honor.
v. t.
To pierce or wound with a stake.
n.
The bodies that constitute the legislature of a country; as, the States-general of Holland.
n.
One of several marked phases or periods in the development and growth of many animals and plants; as, the larval stage; pupa stage; zoea stage.
n.
Any body of men united by profession, or constituting a community of a particular character; as, the civil and ecclesiastical states, or the lords spiritual and temporal and the commons, in Great Britain. Cf. Estate, n., 6.
v. t.
To endow with an estate.
v. t.
To place, as a statue; to form a statue of; to make into a statue.
v. t.
To express the particulars of; to set down in detail or in gross; to represent fully in words; to narrate; to recite; as, to state the facts of a case, one's opinion, etc.
n.
One who states.
n.
To break in a stave or the staves of; to break a hole in; to burst; -- often with in; as, to stave a cask; to stave in a boat.