# MathWorks OPC Text Package Model { Version 25.2 Description "Simulink model saved in R2025b" } __MWOPC_PACKAGE_BEGIN__ R2025b __MWOPC_PART_BEGIN__ /[Content_Types].xml __MWOPC_PART_BEGIN__ /_rels/.rels __MWOPC_PART_BEGIN__ /metadata/coreProperties.xml model 2004-01-13T14:31:08Z giuseppe GO 2026-05-13T10:50:52Z 19.1 R2025b __MWOPC_PART_BEGIN__ /metadata/mwcoreProperties.xml application/vnd.mathworks.simulink.model Simulink Model R2025b __MWOPC_PART_BEGIN__ /metadata/mwcorePropertiesExtension.xml fc4bfcf9-c302-4a55-8f58-437b35776fa3 __MWOPC_PART_BEGIN__ /metadata/mwcorePropertiesReleaseInfo.xml 25.2.0.3150157 R2025b Update 4 Jan 28 2026 2541844942 __MWOPC_PART_BEGIN__ /simulink/_rels/blockdiagram.xml.rels __MWOPC_PART_BEGIN__ /simulink/_rels/configSetInfo.xml.rels __MWOPC_PART_BEGIN__ /simulink/bddefaults.xml

center

middle

__MWOPC_PART_BEGIN__ /simulink/bdmxdata/CanvasColor_14.mxarray BASE64 AAFJTQAAAAAOAAAASAAAAAYAAAAIAAAABgAAAAAAAAAFAAAACAAAAAEAAAADAAAAAQAAAAAAAAAJ AAAAGAAAAF9fX19fX+8/X19fX19f7z9fX19fX1/vPw __MWOPC_PART_BEGIN__ /simulink/blockdiagram.xml

50786035-b58d-4e49-a993-21c5598fd9d7

maca64

%<Auto>

%<Auto>

%<AutoIncrement:19.1>

none

normal

on

5

$bdroot

$bdroot

off

warning

Ensure deterministic transfer (maximum delay)

Ensure data integrity only

Ensure deterministic transfer (minimum delay)

None

__MWOPC_PART_BEGIN__ /simulink/configSet0.xml

Configuration

Solver

[180.0, 108.0, 1260.0, 770.0]

25.0.0

0.0

50

1e-3

off

auto

auto

5.0

auto

10*128*eps

1000

4.0

1.0

0.005

0.001

1

1e-3

on

off

off

ode45

auto

auto

solver-interpolation

DisableAll

UseLocalSettings

Nonadaptive

TrustRegion

on

off

Fast

off

off

Unconstrained

Whenever possible

[]

off

off

ode3

off

2.0

10.0

25.0.0

[]

[]

1

[t, u]

xFinal

xInitial

on

1000

off

off

off

off

Array

ModelDataLogs

off

off

on

on

on

off

on

off

streamout

off

off

xout

tout

yout

logsout

dsmout

RefineOutputTimes

[]

out

1

off

timeseries

out.mat

[-inf, inf]

25.0.0

[]

[]

on

off

on

Tunable

off

off

off

off

double

off

off

Speed

Speed

Speed

on

on

on

off

off

off

on

off

on

off

uint_T

Same as modeled

on

64.0

Structure reference

12.0

2147483647.0

on

5.0

off

off

Native Integer

on

on

on

off

off

on

inf

-1

Inherit from target

on

on

off

off

off

on

on

off

off

level2

Balanced

on

off

off

off

GradualUnderflow

off

25.0.0

[]

BooleansAsBitfields PassReuseOutputArgsAs PassReuseOutputArgsThreshold ZeroExternalMemoryAtStartup ZeroInternalMemoryAtStartup OptimizeModelRefInitCode NoFixptDivByZeroProtection UseSpecifiedMinMax EfficientTunableParamExpr RemoveLocalVariableInitialization

error

none

none

none

error

none

UseLocalSettings

UseLocalSettings

UseLocalSettings

warning

warning

warning

none

on

Classic

none

off

TryResolveAllWithWarning

warning

warning

none

error

warning

warning

none

warning

warning

none

error

none

warning

none

warning

none

warning

warning

error

error

none

warning

off

0.0

0.0

OneBit

warning

none

none

none

none

none

none

warning

none

warning

warning

warning

error

none

error

none

warning

warning

UseLocalSettings

on

off

error

none

none

warning

warning

none

warning

warning

warning

error

error

warning

error

none

warning

ErrorLevel1

WarnAndRepair

none

warning

warning

error

error

none

warning

warning

warning

warning

error

warning

warning

warning

warning

error

warning

warning

none

warning

all

warning

on

warning

warning

off

none

off

warning

none

warning

warning

UseLocalSettings

25.0.0

[]

UseOnlyExistingSharedCode

8.0

16.0

32.0

32.0

64.0

32.0

64.0

32.0

32.0

32.0

Char

None

Undefined

Unspecified

32.0

on

off

32-bit Generic

8.0

16.0

32.0

32.0

64.0

32.0

64.0

32.0

32.0

32.0

Char

None

on

off

Undefined

Unspecified

32.0

32.0

32.0

Specified

on

on

on

on

EmbeddedCoderHSP

25.0.0

[]

[]

IfOutOfDateOrStructuralChange

on

error

off

on

None

Multi

Infer from blocks in model

on

off

off

off

off

25.0.0

[]

[]

on

on

on

off

on

off

off

off

on

50.0

on

on

on

65536.0

Prefer

off

[]

NotSpecified

UseInterfaceOnly

off

None

generic

C

256.0

off

200.0

1024.0

off

none

on

25.0.0

[]

[]

grt.tlc

None

off

off

off

make_rtw

on

off

grt_default_tmf

off

on

off

[]

off

off

off

off

off

off

off

Automatically locate an installed toolchain

Faster Builds

[]

off

off

off

None

off

executionProfile

SummaryOnly

off

off

stackProfile

off

off

CoderTypedefs

off

C

None

off

off

off

off

off

off

off

off

off

off

off

off

Off

1024.0

-1.0

discrete

200.0

off

1024.0

on

on

on

off

3.5

0.0

none

on

fp32

20.02.1

unspecified

None

KeepInSourceFiles

131072.0

25.0.0

off

on

Auto

on

off

31.0

off

off

off

off

off

off

off

1.0

8.0

$R$N$M

$N$R$M_T

$N$M

$R$N$M$F

$R$N

rt$I$N$M

rtb_$N$M

$N$M

$R$N$M

$N$C

emxArray_$M$N

emx$M$N

None

None

None

off

off

off

on

BlockPathComment

on

off

off

Shortened

Literals

off

off

error

25.0.0

[]

IgnoreCustomStorageClasses IgnoreTestpoints InsertBlockDesc InsertPolySpaceComments SFDataObjDesc MATLABFcnDesc SimulinkDataObjDesc DefineNamingRule SignalNamingRule ParamNamingRule InternalIdentifier InlinedPrmAccess CustomSymbolStr CustomSymbolStrGlobalVar CustomSymbolStrType CustomSymbolStrField CustomSymbolStrFcn CustomSymbolStrModelFcn CustomSymbolStrFcnArg CustomSymbolStrBlkIO CustomSymbolStrTmpVar CustomSymbolStrMacro CustomSymbolStrUtil CustomUserTokenString ReqsInCode BlockCommentType CustomSymbolStrEmxType CustomSymbolStrEmxFcn AnnotationsInComments

off

off

off

off

on

10.0

1000000.0

0.0

ext_comm

Level1

off

off

off

off

Error

ansi_tfl_tmw.mat

NOT IN USE

C89/C90 (ANSI)

None

Auto

System defined

2048.0

256.0

on

off

off

off

off

on

on

on

on

off

off

off

off

Auto

off

on

rt_

off

on

Nonreusable function

Reusable function

off

on

on

on

on

off

off

off

Nominal

Nominal

Simulink.SoftwareTarget.GRTCustomization

off

on

off

off

on

off

on

on

[]

[]

1,2,3,4,...

Size,Breakpoints,Table

Size,Breakpoints,Table

Column-major

error

$R$E

$R$E

$R_data

None

off

off

off

25.0.0

[]

GenerateAllocFcn IncludeMdlTerminateFcn RemoveResetFunc SuppressErrorStatus ERTCustomFileBanners GenerateSampleERTMain ExistingSharedCode GenerateTestInterfaces ModelStepFunctionPrototypeControlCompliant PurelyIntegerCode SupportComplex SupportAbsoluteTime SupportContinuousTime SupportNonInlinedSFcns RemoveDisableFunc PreserveStateflowLocalDataDimensions ParenthesesLevel ERTMultiwordTypeDef MultiwordTypeDef
IncludeHyperlinkInReport GenerateTraceInfo GenerateTraceReport GenerateTraceReportSl GenerateTraceReportSf GenerateTraceReportEml PortableWordSizes GenerateWebview GenerateCodeMetricsReport GenerateCodeReplacementReport GenerateMissedCodeReplacementReport GenerateErtSFunction CreateSILPILBlock CodeProfilingInstrumentation CodeStackProfiling DataTypeReplacement HalideCodeGeneration EmbeddedCoderDictionary

off

EntireSystem

on

off

/

covdata

dw

off

on

on

on

on

covCumulativeData

off

on

slcov_output/$ModelName$

$ModelName$_cvdata

on

off

off

off

1.0e-5

0.01

off

0.0

0.0

Masking

off

Simulink Coverage Configuration Component

25.0.0

[]

[]

[]

__MWOPC_PART_BEGIN__ /simulink/configSetInfo.xml Configuration __MWOPC_PART_BEGIN__ /simulink/graphicalInterface.json { "GraphicalInterface":{ "PreCompExecutionDomainType":"Unset", "SimulinkSubDomainType":"Simulink", "SolverName":"ode45" } } __MWOPC_PART_BEGIN__ /simulink/modelDictionary.xml __MWOPC_PART_BEGIN__ /simulink/plugins/sl_paper_props.xml

A4

centimeters

[1.270000, 1.270000, 1.270000, 1.270000]

__MWOPC_PART_BEGIN__ /simulink/ScheduleCore.xml HighNumberLast true false Default -2147483648 true false 1 true Cont 40 Cont 255 true Continuous00 0 0.0 0 __MWOPC_PART_BEGIN__ /simulink/ScheduleEditor.xml 40 #000000 true 0 Cont Cont base Cont Default 0,0 0,0,0,0 Cont base 0,0 Cont graph.Graph Default graph.Graph __MWOPC_PART_BEGIN__ /simulink/systems/system_root.xml

[210, 63, 1500, 946]

141

simulink-default.rpt

14

[390, 192, 460, 218]

-1

1 - u ^2

[570, 184, 590, 231]

-2

off

rectangular

+-

Inherit: Same as first input

on

on

[795, 239, 825, 271]

30

{"Style":{"BackgroundColor":[0.12941176470588237,0.12941176470588237,0.12941176470588237],"AxesColor":[0.07058823529411765,0.07058823529411765,0.07058823529411765],"LabelsColor":[0.8509803921568627,0.8509803921568627,0.8509803921568627],"PreserveColors":false,"Visible":[true],"LineStyle":["-"],"LineWidth":[1.5],"BarWidth":[0.9],"LineColor":["auto"],"LineFaceAlpha":[1],"LineEdgeAlpha":[1],"Marker":["none"],"FontSize":8.5,"LineTrueColor":[[1,0.9098039215686274,0.39215686274509803]],"ChannelNames":"","DefaultLegendLabel":["int x2"],"PlotType":"Auto","NumLinesForDisplays":[1],"OffsetView":true,"LineLabels":["int x2"],"MinimizeControls":false,"LineCache":null},"MeasurementChannel":0,"AxesScalingProperties":{"AxesScaling":"Manual","ExpandOnly":true,"AxesScalingNumUpdates":10,"ScaleAxesLimitsAtStop":true,"YAxisDataRange":80,"AlignYAxis":"Center","AutoScaleXAxisLimits":false,"XAxisDataRange":100,"AlignXAxis":"Center"},"DisplayProperties":{"DisplayLayoutDimensions":[1,1],"DisplayPropertyDefaults":{"MaxYLimMag":2.510774776186345,"MaxYLimReal":2.510774776186345,"MinYLimMag":0,"MinYLimReal":-2.510774745038613,"PlotAsMagnitudePhase":false,"ShowGrid":true,"ShowLegend":false,"Title":"%<SignalLabel>","YLabel":""},"DisplayContentCache":{"Title":"","LinePropertiesCache":{},"UserDefinedChannelNames":{},"PlotMagPhase":0},"SerializedDisplays":[{"Title":"%<SignalLabel>","LinePropertiesCache":{},"UserDefinedChannelNames":{},"PlotMagPhase":0,"MaxYLimMag":2.510774776186345,"MaxYLimReal":2.510774776186345,"MinYLimMag":0,"MinYLimReal":-2.510774745038613,"PlotAsMagnitudePhase":false,"ShowGrid":true,"ShowLegend":false,"YLabel":"","NumLines":1,"ShowContent":1,"Placement":0}],"ColorOrder":["auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto","auto"]}}

[680.000000,330.000000,560.000000,420.000000,]

on

window

on

off

[{"MaxYLimMag":2.510774776186345,"MaxYLimReal":2.510774776186345,"MinYLimMag":0,"MinYLimReal":-2.5107747450386131,"PlotAsMagnitudePhase":false,"ShowGrid":true,"ShowLegend":false,"Title":"%<SignalLabel>","YLabel":""}]

1

-2.5107747450386131

2.510774776186345

[830, 152, 880, 168]

-3

off

x1

10000

[830, 117, 880, 133]

-4

off

x2

10000

[405, 92, 440, 123]

31

on

2.0

{"entries":[{"content":{"excelSettings":{"content":{},"type":"Streamout.ExcelSettings"},"parquetSettings":{"content":{},"type":"Streamout.ParquetSettings"}},"type":"Streamout.FileSettingStorage","uuid":""}],"packageUris":["http:\/\/schema.mathworks.com\/mf0\/streamout_blocks\/R2020a"],"version":"1.0"}

[0, 0]

[1 1]

{"entries":[{"content":{"signals":[{"content":{"blockPath":[],"dimensions":[1],"domain":"","lineColor":"#a2142f","plots":[ 1 ],"port":1,"sid":[""],"signalID":1,"signalName":"int x2"},"type":"RecordBlkView.Signal","uuid":""},{"content":{"blockPath":[],"dimensions":[1],"domain":"","lineColor":"#139fff","plots":[ 1 ],"port":2,"sid":[""],"signalID":2,"signalName":"int x1"},"type":"RecordBlkView.Signal","uuid":""}]},"type":"RecordBlkView.InputSignals","uuid":""}],"packageUris":["http:\/\/schema.mathworks.com\/mf0\/streamout_blocks\/R2020a"],"version":"1.0"}

[0.0, 0.0, 0.0]

Outside

All

[1.0, 1.0, 1.0]

[0.81568627450980391, 0.82352941176470584, 0.82745098039215681]

TopLeft

Hide

All

Show

Wrap

Auto

[0.0, 50.0]

[-3.0, 3.0]

1

[0.0, 0.0, 0.0]

[1.0, 1.0, 1.0]

[0.81568627450980391, 0.82352941176470584, 0.82745098039215681]

Hide

YColor

Show

XColor

YColor

3.0

Hide

[1.0, 0.0, 0.0]

2.5

Linear

3.0

On

1

1

[-2.2, 2.2, -2.9, 2.9]

Street

[]

{"xyplotplugin":{"info":[{"series":[{"bindingParametersList":[{"parameter":"X-Axis","signalID":1,"signalName":"int x2"},{"parameter":"Y-Axis","signalID":2,"signalName":"int x1"}],"seriesID":0}],"subplotID":1}]}}

XY

[620, 192, 665, 228]

-6

off

0.1

[710, 192, 755, 228]

-7

off

0.1

[490, 174, 510, 216]

-8

off

on

Inherit: Same as first input

Zero

on

1

7#out:1

[15, 0]

2

[0, 45]

31

13#in:1

30

[0, 50]

3

[0, 40; -405, 0; 0, -140]

1#in:1

4

[-235, 0; 0, -85]

2#in:2

5

[0, -50]

32

[0, -60]

14#in:1

6

3#in:1

8

6#out:1

[15, 0]

9

7#in:1

10

[0, -85]

11

[0, -10; -210, 0]

33

14#in:2

12

8#in:1

14

4#in:1

15

2#out:1

6#in:1

16

1#out:1

8#in:2

17

8#out:1

2#in:1

x2

[691, 192, 703, 204]

[0, 0, 0, 0]

top

-1

x1

[761, 192, 773, 204]

[0, 0, 0, 0]

top

-2

oscillatore di Van der Pol: l'origine e' un pde instabile ma non divergente tutte le traiettorie convergono ad un ciclo limite che circonda l'origine ma si trova a distanza finita da essa

[454, 382, 721, 424]

[0, 0, 0, 0]

top

-3

__MWOPC_PART_BEGIN__ /simulink/windowsInfo.xml

1

[210.0, 63.0, 1290.0, 883.0]

0

Left

50

50

9

Unset

0

1

1

StudioAdapterBlock

14

[1252.0, 772.0]

1.0

[0.0, 0.0]

[0.0, 0.0, 0.0, 0.0]

0

0

SimulinkTopLevel

0

[1252.0, 772.0]

1.41166097932364

[182.00075179599338, 69.21529609206425]

[182.00075179599338, 69.21529609206425, 886.89849640801333, 546.87351375957371]

0

0

StudioAdapterBlock

12

[943.0, 742.0]

1.0

[0.0, 0.0]

[0.0, 0.0, 0.0, 0.0]

0

0

StudioAdapterBlock

5

[1252.0, 686.0]

1.0

[0.0, 0.0]

[0.0, 0.0, 0.0, 0.0]

GLUE2:PropertyInspector

Property Inspector

0

0

Right

640

480

Unset

Simulink:Editor:ReferencedFiles

Referenced Files

0

{"filterShowRefModels":"true","filterShowRefSubs":"true","filterShowOnlyDirtyFiles":"false"}

0

Left

640

480

Unset

LibraryBrowser2 LibraryBrowserStudioComponent

VanderPol

0

0

Left

304

775

Unset

AAAA/wAAAAD9AAAAAwAAAAAAAAE0AAADI/wCAAAABPsAAAAWAEQAbwBjAGsAVwBpAGQAZwBlAHQAMwEAAAAxAAAB+AAAAAAAAAAA+wAAABYARABvAGMAawBXAGkAZABnAGUAdAA0AAAAAAD/////AAAAAAAAAAD7AAAAUgBHAEwAVQBFADIAIAB0AHIAZQBlACAAYwBvAG0AcABvAG4AZQBuAHQALwBHAEwAVQBFADIAIAB0AHIAZQBlACAAYwBvAG0AcABvAG4AZQBuAHQAAAAAeQAAAuoAAABjAP////wAAAAcAAADIwAAAAAA////+v////8CAAAAAvsAAABgAFMAaQBtAHUAbABpAG4AawA6AEUAZABpAHQAbwByADoAUgBlAGYAZQByAGUAbgBjAGUAZABGAGkAbABlAHMALwBSAGUAZgBlAHIAZQBuAGMAZQBkACAARgBpAGwAZQBzAAAAAAD/////AAAAhwD////7AAAAbgBMAGkAYgByAGEAcgB5AEIAcgBvAHcAcwBlAHIAMgAgAEwAaQBiAHIAYQByAHkAQgByAG8AdwBzAGUAcgBTAHQAdQBkAGkAbwBDAG8AbQBwAG8AbgBlAG4AdAAvAFYAYQBuAGQAZQByAFAAbwBsAAAAAAD/////AAAAygD///8AAAABAAAAAAAAAAD8AgAAAAH7AAAAVABHAEwAVQBFADIAOgBQAHIAbwBwAGUAcgB0AHkASQBuAHMAcABlAGMAdABvAHIALwBQAHIAbwBwAGUAcgB0AHkAIABJAG4AcwBwAGUAYwB0AG8AcgAAAAAA/////wAAAawA////AAAAAwAABQoAAADQ/AEAAAAB+/////8AAAAAAP////8AAAJ5AP///wAABQoAAAMjAAAAAQAAAAIAAAABAAAAAvwAAAABAAAAAgAAAAA=

101b5bc1-3c88-4c81-9e02-6cf334e6ce9f

f15d28fb-8e05-44e8-be4c-6a9344bb4210

__MWOPC_PACKAGE_END__