All Implemented Interfaces:
```
public class SolverENV
extends EnsembleSolver
                    
```
ENV - Ensemble environment solver for models immersed in a random environment.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`public class`	`SolverENV.EnvGeneratorResult`	Container class holding the generator matrices and related data structures for both stage-specific and random environment transitions. Used to encapsulate results from environment-aware model generation.

Field Summary

Fields
Modifier and Type	Field	Description
`protected Array<Network>`	`ensemble`
`protected Array<NetworkSolver>`	`solvers`
`protected Map<Integer, Map<Integer, SolverResult>>`	`results`
`protected ExecutorService`	`threadPool`
`protected int`	`numThreads`
`public Model`	`model`
`public String`	`name`
`public SolverOptions`	`options`
`public SolverResult`	`result`
`public boolean`	`enableChecks`
`public Random`	`random`

Constructor Summary

Constructors
Constructor	Description
`SolverENV(Environment renv, Array<NetworkSolver> solvers)`
`SolverENV(Environment renv, Array<NetworkSolver> solvers, SolverOptions options)`

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`static FeatureSet`	`getFeatureSet()`
`boolean`	`supports(Network model)`	Checks if this solver supports the given network model.
`static SolverOptions`	`defaultOptions()`
`boolean`	`converged(int it)`
`void`	`init()`
`void`	`pre(int it)`
`void`	`post(int it)`
`void`	`finish()`
`String`	`getName()`	Returns the name identifier of this solver.
`SolverENV.EnvGeneratorResult`	`getGenerator()`
`void`	`getAvg()`
`AvgTable`	`getEnsembleAvg()`
`SolverResult`	`analyze(int it, int e)`
`CTMCResult`	`runAnalyzerByCTMC()`
`final NetworkAvgTable`	`getAvgTable()`
`final NetworkAvgTable`	`getAvgTable(SolverOptions options, boolean keepDisabled)`
`final NetworkAvgTable`	`getAvgTable(SolverOptions options)`
`void`	`printAvgTable(boolean keepDisabled)`	Prints the average metrics table for all stations and job classes.
`void`	`printAvgTable()`
`void`	`runAnalyzer()`	Executes the solver algorithm to analyze the model.
`Array<NetworkStruct>`	`getStruct()`	Returns the network structures for all stages in the environment.
`Array<String>`	`listValidMethods()`	Returns the list of valid solution methods supported by this solver.
`static SolverENV.Compression_result`	`ctmc_courtois(Matrix Q, MatrixCell MS, double q)`
`static SolverENV.Compression_result`	`ctmc_courtois(Matrix Q, MatrixCell MS)`
`static SolverENV.Compression_result`	`ctmc_decompose(Matrix Q, MatrixCell MS, SolverOptions options)`	Perform CTMC decomposition using the configured method.
`void`	`setStateDepMethod(String method)`
`void`	`setNewMethod(boolean newMethod)`
`void`	`setCompression(boolean compression)`
`void`	`setRef(int i)`

Methods inherited from class jline.solvers.EnsembleSolver
ensembleAvg, getNumThreads, getNumberOfModels, iterate, numThreads, numberOfModels, printEnsembleAvgTables, printEnsembleAvgTs, setNumThreads
Methods inherited from class jline.solvers.Solver
getOptions, getResults, hasResults, isJavaAvailable, isValidOption, listValidOptions, parseOptions, parseOptions, reset, resetRandomGeneratorSeed, runAnalyzerChecks, setChecks, setOptions
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - SolverENV
```
SolverENV(Environment renv, Array<NetworkSolver> solvers)
```
  - SolverENV
```
SolverENV(Environment renv, Array<NetworkSolver> solvers, SolverOptions options)
```
- Method Detail
  - getFeatureSet
```
 static FeatureSet getFeatureSet()
```
  - supports
```
 boolean supports(Network model)
```
    Checks if this solver supports the given network model. Default implementation returns true; subclasses should override to provide specific feature validation.
    
    Parameters:
    
    model - the network model to check
    
    Returns:
    
    true if the model is supported, false otherwise
  - defaultOptions
```
 static SolverOptions defaultOptions()
```
  - converged
```
 boolean converged(int it)
```
  - init
```
 void init()
```
  - pre
```
 void pre(int it)
```
  - post
```
 void post(int it)
```
  - finish
```
 void finish()
```
  - getName
```
 String getName()
```
    Returns the name identifier of this solver.
    
    Returns:
    
    the solver name
  - getGenerator
```
 SolverENV.EnvGeneratorResult getGenerator()
```
  - getAvg
```
 void getAvg()
```
  - getEnsembleAvg
```
 AvgTable getEnsembleAvg()
```
  - analyze
```
 SolverResult analyze(int it, int e)
```
  - runAnalyzerByCTMC
```
 CTMCResult runAnalyzerByCTMC()
```
  - getAvgTable
```
 final NetworkAvgTable getAvgTable()
```
  - getAvgTable
```
 final NetworkAvgTable getAvgTable(SolverOptions options, boolean keepDisabled)
```
  - getAvgTable
```
 final NetworkAvgTable getAvgTable(SolverOptions options)
```
  - printAvgTable
```
 void printAvgTable(boolean keepDisabled)
```
    Prints the average metrics table for all stations and job classes.
    
    Parameters:
    
    keepDisabled - If true, includes disabled/inactive entries (0-valued metrics).
  - printAvgTable
```
 void printAvgTable()
```
  - runAnalyzer
```
 void runAnalyzer()
```
    Executes the solver algorithm to analyze the model. This abstract method must be implemented by concrete solver classes.
  - getStruct
```
 Array<NetworkStruct> getStruct()
```
    Returns the network structures for all stages in the environment. Each element in the returned array corresponds to a stage's network structure.
    
    Returns:
    
    Array of NetworkStruct objects, one for each stage
  - listValidMethods
```
 Array<String> listValidMethods()
```
    Returns the list of valid solution methods supported by this solver. Currently only supports the "default" method.
    
    Returns:
    
    Array of method names
  - ctmc_courtois
```
 static SolverENV.Compression_result ctmc_courtois(Matrix Q, MatrixCell MS, double q)
```
  - ctmc_courtois
```
 static SolverENV.Compression_result ctmc_courtois(Matrix Q, MatrixCell MS)
```
  - ctmc_decompose
```
 static SolverENV.Compression_result ctmc_decompose(Matrix Q, MatrixCell MS, SolverOptions options)
```
    Perform CTMC decomposition using the configured method. Uses options.config.da to select the decomposition algorithm: 'courtois' - Courtois decomposition (default) 'kms' - Koury-McAllister-Stewart method 'takahashi' - Takahashi's method 'multi' - Multigrid method
    
    Parameters:
    
    Q - Infinitesimal generator matrix
    
    MS - Macro-state partition
    
    options - Solver options containing config.da and config.
    
    Returns:
    
    Compression_result with decomposition results
  - setStateDepMethod
```
 void setStateDepMethod(String method)
```
  - setNewMethod
```
 void setNewMethod(boolean newMethod)
```
  - setCompression
```
 void setCompression(boolean compression)
```
  - setRef
```
 void setRef(int i)
```

Class SolverENV

Nested Class Summary

Field Summary

Constructor Summary

Enum Constant Summary

Method Summary

Methods inherited from class jline.solvers.EnsembleSolver

Methods inherited from class jline.solvers.Solver

Methods inherited from class java.lang.Object

Constructor Detail

SolverENV

SolverENV

Method Detail

getFeatureSet

supports

defaultOptions

converged

init

pre

post

finish

getName

getGenerator

getAvg

getEnsembleAvg

analyze

runAnalyzerByCTMC

getAvgTable

getAvgTable

getAvgTable

printAvgTable

printAvgTable

runAnalyzer

getStruct

listValidMethods

ctmc_courtois

ctmc_courtois

ctmc_decompose

setStateDepMethod

setNewMethod

setCompression

setRef