📄 clv1d.mdl
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RTWMakeCommand "make_rtw"
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Created "Wed Jul 22 05:30:07 1998"
Creator "The MathWorks Inc."
UpdateHistory "UpdateHistoryNever"
ModifiedByFormat "%<Auto>"
LastModifiedBy "campa"
ModifiedDateFormat "%<Auto>"
LastModifiedDate "Wed Mar 14 21:35:30 2007"
ModelVersionFormat "1.%<AutoIncrement:82>"
ConfigurationManager "none"
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ForegroundColor "black"
BackgroundColor "white"
DropShadow off
NamePlacement "normal"
FontName "Helvetica"
FontSize 10
FontWeight "normal"
FontAngle "normal"
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AnnotationDefaults {
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VerticalAlignment "middle"
ForegroundColor "black"
BackgroundColor "white"
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FontName "Helvetica"
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FontWeight "normal"
FontAngle "normal"
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LineDefaults {
FontName "Helvetica"
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FontWeight "normal"
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System {
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Location [92, 72, 394, 302]
Open on
ModelBrowserVisibility off
ModelBrowserWidth 200
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PaperPositionMode "auto"
PaperType "usletter"
PaperUnits "inches"
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TickLabels "OneTimeTick"
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DataFormat "StructureWithTime"
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Block {
BlockType SubSystem
Name "clv1"
Ports [0, 1, 0, 0, 0]
Position [70, 81, 110, 139]
ShowPortLabels on
MaskType "Competitive Lotka Volterra System"
MaskDescription " This autonomous system represents the competit"
"ive lotka volterra system\n xdot = Rx .* ( 1 - Ax)\n where each component of"
" x represents a population, \n A is an interaction matrix, and R is a diagona"
"l \"growth rate\" matrix.\n Parameters and initial state can be selected from"
" the mask.\n"
MaskHelp " This autonomous system represents the competit"
"ive lotka volterra system\n <p>\n The system equations are: \n xdot = Rx .* "
"( 1 - Ax)\n where each component of x represents a population, \n A is an int"
"eraction matrix, and R is a diagonal \"growth rate\" matrix.\n Parameters and"
" initial state can be selected from the mask.\n"
MaskPromptString "A|R|Initial Condition"
MaskStyleString "edit,edit,edit"
MaskTunableValueString "on,on,on"
MaskCallbackString "||"
MaskEnableString "on,on,on"
MaskVisibilityString "on,on,on"
MaskVariables "A=@1;R=@2;x0=@3;"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
MaskValueString "0.2|0.5|0.1"
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Value "ones(size(A,2),1)"
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Name "Integrator"
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Position [410, 134, 440, 156]
ExternalReset "none"
InitialConditionSource "internal"
InitialCondition "x0"
LimitOutput off
UpperSaturationLimit "inf"
LowerSaturationLimit "-inf"
ShowSaturationPort off
ShowStatePort off
AbsoluteTolerance "auto"
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Block {
BlockType SubSystem
Name "Matrix Gain A"
Ports [1, 1, 0, 0, 0]
Position [175, 70, 205, 100]
Orientation "left"
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MaskType "Matrix Gain"
MaskDescription "Matrix Gain."
MaskHelp "Multiplies input vector by entered matrix t"
"o produce output vector (y=Au)."
MaskPromptString "Gain matrix:"
MaskStyleString "edit"
MaskTunableValueString "on"
MaskEnableString "on"
MaskVisibilityString "on"
MaskVariables "K=@1;"
MaskDisplay "disp('A')"
MaskIconFrame on
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MaskIconRotate "none"
MaskIconUnits "autoscale"
MaskValueString "A"
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PortWidth "-1"
SampleTime "-1"
DataType "auto"
SignalType "auto"
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A "[]"
B "[]"
C "[]"
D "K"
X0 "0"
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Name "Matrix Gain R"
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Position [340, 130, 370, 160]
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MaskType "Matrix Gain"
MaskDescription "Matrix Gain."
MaskHelp "Multiplies input vector by entered matrix t"
"o produce output vector (y=Au)."
MaskPromptString "Gain matrix:"
MaskStyleString "edit"
MaskTunableValueString "on"
MaskEnableString "on"
MaskVisibilityString "on"
MaskVariables "K=@1;"
MaskDisplay "disp('R')"
MaskIconFrame on
MaskIconOpaque on
MaskIconRotate "none"
MaskIconUnits "autoscale"
MaskValueString "R"
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Name "Matrix Gain R"
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C "[]"
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Inputs "2"
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Block {
BlockType Sum
Name "Sum"
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Position [130, 145, 150, 165]
ShowName off
IconShape "round"
Inputs "-+|"
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}
Block {
BlockType Outport
Name "x"
Position [490, 138, 520, 152]
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OutputWhenDisabled "held"
InitialOutput "[]"
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SrcPort 1
DstBlock "Sum"
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SrcBlock "Sum"
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SrcPort 1
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Branch {
DstBlock "x"
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Branch {
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Branch {
Points [0, 45]
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SrcBlock "Product"
SrcPort 1
DstBlock "Matrix Gain R"
DstPort 1
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Line {
SrcBlock "Matrix Gain R"
SrcPort 1
DstBlock "Integrator"
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Annotation {
Position [122, 32]
Text "Competitive Lotka-Volterra Model System"
}
Annotation {
Position [412, 32]
Text "xdot = Rx .* ( 1 - Ax) "
}
}
}
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SrcBlock "clv1"
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DstBlock "Scope"
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}
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