A Sample Model File

Model {
  Name        "slopeintercept"
  Version  3.00
  SimParamPage  "Solver"
  SampleTimeColors  off
  InvariantConstants  off
  WideVectorLines  off
  ShowLineWidths  off
  ShowPortDataTypes  off
  StartTime  "0.0"
  StopTime  "10.0"
  SolverMode  "Auto"
  Solver  "ode45"
  RelTol  "1e-3"
  AbsTol  "auto"
  Refine  "1"
  MaxStep  "auto"
  InitialStep  "auto"
  FixedStep  "auto"
  MaxOrder  5
  OutputOption  "RefineOutputTimes"
  OutputTimes  "[]"
  LoadExternalInput  off
  ExternalInput  "[t, u]"
  SaveTime  on
  TimeSaveName  "tout"
  SaveState  off
  StateSaveName  "xout"
  SaveOutput  on
  OutputSaveName  "yout"
  LoadInitialState  off
  InitialState  "xInitial"
  SaveFinalState  off
  FinalStateName  "xFinal"
  SaveFormat  "Matrix"
  LimitMaxRows  off
  MaxRows  "1000"
  Decimation  "1"
  AlgebraicLoopMsg  "warning"
  MinStepSizeMsg  "warning"
  UnconnectedInputMsg  "warning"
  UnconnectedOutputMsg  "warning"
  UnconnectedLineMsg  "warning"
  InheritedTsInSrcMsg  "warning"
  IntegerOverflowMsg  "none"
  UnnecessaryDatatypeConvMsg "none"
  Int32ToFloatConvMsg  "warning"
  SignalLabelMismatchMsg  "none"
  ConsistencyChecking  "off"
  ZeroCross  on
  SimulationMode  "normal"
  BlockDataTips  on
  BlockParametersDataTip  on
  BlockAttributesDataTip  off
  BlockPortWidthsDataTip  off
  BlockDescriptionStringDataTipoff
  BlockMaskParametersDataTip off
  ToolBar  on
  StatusBar  on
  BrowserShowLibraryLinks off
  BrowserLookUnderMasks  off
  OptimizeBlockIOStorage  on
  BufferReuse  on
  BooleanDataType  off
  RTWSystemTargetFile  "grt.tlc"
  RTWInlineParameters  off
  RTWRetainRTWFile  off
  RTWTemplateMakefile  "grt_default_tmf"
  RTWMakeCommand  "make_rtw"
  RTWGenerateCodeOnly  off
  ExtModeMexFile  "ext_comm"
  ExtModeBatchMode  off
  ExtModeTrigType  "manual"
  ExtModeTrigMode  "oneshot"
  ExtModeTrigPort  "1"
  ExtModeTrigElement  "any"
  ExtModeTrigDuration  1000
  ExtModeTrigHoldOff  0
  ExtModeTrigDelay  0
  ExtModeTrigDirection  "rising"
  ExtModeTrigLevel  0
  ExtModeArchiveMode  "off"
  ExtModeAutoIncOneShot  off
  ExtModeIncDirWhenArm  off
  ExtModeAddSuffixToVar  off
  ExtModeWriteAllDataToWs off
  ExtModeArmWhenConnect  off
  Created  "Tue Jul 28 15:18:08 1998"
  Creator  "JoeSchmo"
  UpdateHistory  "UpdateHistoryNever"
  ModifiedByFormat  "%<Auto>"
  LastModifiedBy  "MoeSchmo"
  ModifiedDateFormat  "%<Auto>"
  LastModifiedDate  "Fri Oct 30 15:17:59 1998"
  ModelVersionFormat  "1.%<AutoIncrement:4>"
  ConfigurationManager  "none"
  BlockDefaults {
    Orientation    "right"
    ForegroundColor    "black"
    BackgroundColor    "white"
    DropShadow    off
    NamePlacement    "normal"
    FontName    "Helvetica"
    FontSize    10
    FontWeight    "normal"
    FontAngle    "normal"
    ShowName    on
  }
  AnnotationDefaults {
    HorizontalAlignment    "center"
    VerticalAlignment    "middle"
    ForegroundColor    "black"
    BackgroundColor    "white"
    DropShadow    off
    FontName    "Helvetica"
    FontSize    10
    FontWeight    "normal"
    FontAngle    "normal"
  }
  LineDefaults {
    FontName    "Helvetica"
    FontSize    9
    FontWeight    "normal"
    FontAngle    "normal"
  }
  System {
    Name    "slopeintercept"
    Location    [629, 86, 984, 341]
    Open    on
    ModelBrowserVisibility  off
    ModelBrowserWidth    200
    ScreenColor    "automatic"
    PaperOrientation    "landscape"
    PaperPositionMode    "auto"
    PaperType    "usletter"
    PaperUnits    "inches"
    ZoomFactor    "100"
    AutoZoom    on
    ReportName    "simulink-default.rpt"
    Block {
      BlockType      Scope
      Name      "Scope"
      Ports      [1, 0, 0, 0, 0]
      Position      [205, 79, 235, 111]
      Floating      off
      Location      [188, 365, 512, 604]
      Open      off
      NumInputPorts      "1"
      TickLabels      "OneTimeTick"
      ZoomMode      "on"
      List {
    ListTypeAxesTitles
    axes1        "%<SignalLabel>"
      }
      Grid      "on"
      TimeRange      "auto"
      YMin      "-5"
      YMax      "5"
      SaveToWorkspace      off
      SaveName      "ScopeData"
      DataFormat      "StructureWithTime"
      LimitMaxRows      on
      MaxRows      "5000"
      Decimation      "1"
      SampleInput      off
      SampleTime      "0"
    }
    Block {
      BlockType      Sin
      Name      "Sine Wave"
      Position      [35, 80, 65, 110]
      Amplitude      "1"
      Frequency      "1"
      Phase      "0"
      SampleTime      "0"
    }
    Block {
      BlockType      ToWorkspace
      Name      "To Workspace"
      Position      [200, 150, 260, 180]
      VariableName      "simout"
      Buffer      "inf"
      Decimation      "1"
      SampleTime      "-1"
      SaveFormat      "Structure"
    }
    Block {
      BlockType      SubSystem
      Name      "mx + b"
      Ports      [1, 1, 0, 0, 0]
      Position      [105, 80, 135, 110]
      ShowPortLabels      on
      MaskType      "SampleMaskedBlock"
      MaskDescription      "Models the equation for a line, y = 
mx + b.\nTh"
"e slope and intercept are mask block parameters."
      MaskHelp      "Enter the slope (m) and intercept (b) in the 
bl"
"ock dialog parameter fields.\nThe block generates y for a given 
input x."
      MaskPromptString      "Slope:|Intercept:"
      MaskStyleString      "edit,edit"
      MaskTunableValueString  "on,on"
      MaskCallbackString      "|"
      MaskEnableString      "on,on"
      MaskVisibilityString    "on,on"
      MaskVariables      "m=@1;b=@2;"
      MaskDisplay      "plot([0 1],[0 m] + (m<0))"
      MaskIconFrame      on
      MaskIconOpaque      on
      MaskIconRotate      "none"
      MaskIconUnits      "normalized"
      MaskValueString      " 4|2"
      System {
    Name         "mx + b"
    Location[175, 110, 504, 342]
    Open         off
    ModelBrowserVisibilityoff
    ModelBrowserWidth200
    ScreenColor"white"
    PaperOrientation"landscape"
    PaperPositionMode"auto"
    PaperType"usletter"
    PaperUnits"inches"
    ZoomFactor"100"
    AutoZoomon
    Block {
      BlockType  Inport
      Name         "x"
      Position  [15, 68, 45, 82]
      Port         "1"
      PortWidth  "-1"
      SampleTime  "-1"
      DataType  "auto"
      SignalType  "auto"
      Interpolate  on
    }
    Block {
      BlockType  Constant
      Name         "Intercept"
      Position  [145, 130, 175, 160]
      Orientation  "up"
      Value        "b"
    }
    Block {
      BlockType  Gain
      Name         "Slope"
      Position  [80, 60, 110, 90]
      Gain         "m"
      SaturateOnIntegerOverflow on
    }
    Block {
      BlockType  Sum
      Name         "Sum"
      Ports        [2, 1, 0, 0, 0]
      Position  [145, 60, 175, 90]
      NamePlacement  "alternate"
      IconShape  "round"
      Inputs  "|++"
      SaturateOnIntegerOverflow on
    }
    Block {
      BlockType  Outport
      Name         "y"
      Position  [225, 68, 255, 82]
      Port         "1"
      OutputWhenDisabled  "held"
      InitialOutput  "[]"
    }
    Line {
      SrcBlock  "Intercept"
      SrcPort  1
      DstBlock  "Sum"
      DstPort  2
    }
    Line {
      SrcBlock  "Sum"
      SrcPort  1
      DstBlock  "y"
      DstPort  1
    }
    Line {
      SrcBlock  "x"
      SrcPort  1
      DstBlock  "Slope"
      DstPort  1
    }
    Line {
      SrcBlock  "Slope"
      SrcPort  1
      DstBlock  "Sum"
      DstPort  1
    }
      }
    }
    Line {
      SrcBlock      "Sine Wave"
      SrcPort      1
      DstBlock      "mx + b"
      DstPort      1
    }
    Line {
      SrcBlock      "mx + b"
      SrcPort      1
      Points      [25, 0]
      Branch {
    DstBlock"Scope"
    DstPort      1
      }
      Branch {
    Points       [0, 70]
    DstBlock"To Workspace"
    DstPort      1
      }
    }
    Annotation {
      Position      [135, 27]
      Text      "Sample Masked Subsystem"
    }
  }
}