WOLFRAM SYSTEM MODELER
SMTH1First-order exponential smoothing |
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SystemModel["SystemDynamics.Functions.SMTH1"]
In engineering terms, this would be called a first-order low-pass filter with the transfer function:
G(s) = 1/(tau*s + 1)
and the time constant
tau = averaging_time.
The initial value of the output can be set. By default, it assumes a value of zero.
averaging_time |
Value: 1 Type: Real Description: Averaging time |
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smooth_init |
Value: 0 Type: Real Description: Initial value of smoothed variable |
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u |
Type: RealInput Description: Input variable |
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y |
Type: RealOutput Description: Output variable |
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Smooth_of_Input |
Type: Level1a |
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Change_in_Smooth |
Type: Rate_1 |
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source |
Type: Source |
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change_in_smooth |
Type: Change_In_Smooth |
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SystemDynamics.WorldDynamics.World3 Human fertility |
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SystemDynamics.WorldDynamics.World3 Life expectancy |