Comp Timed Real Trigger


Comp Timed Real Trigger is a
direct subtype of Timed Real Trigger
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TYPE INCLUSION RELATIONSHIPS

Timed Real Trigger

Comp Timed Real Trigger

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AVAILABLE FUNCTIONS

Create

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AVAILABLE CREATE FUNCTION KEYS

Real Fn

Trigger

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TYPICAL OBJECTS OF TYPE Comp Timed Real Trigger

CompTimRealTrig

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This type represents a predicate function ƒ that represents the composite of a given
Real Trigger𝘨 and a given Real Functionh
Using the conventional mathematical symbol ⸰ for the composition operator between functions, the formal definition is:
ƒ = 𝘨 ⸰ h
h is either:
a) A
Timed Real To Real Function that maps a sequence d , x₁ , x₂ , ... , xᵤ consisting of one date d followed by u real variables (i.e. single numbers) x₁ , x₂ , ... , xᵤ into v real variables y₁ , y₂ , ... , yᵥ
or
a) A
Real To Real Function that maps u real variables (i.e. single numbers) x₁ , x₂ , ... , xᵤ into v real variables y₁ , y₂ , ... , yᵥ

𝘨 is either:
a) A
Timed Real Trigger that maps a sequence d , y₁ , y₂ , ... , yᵥ consisting of the original date d followed by the intermediate real variables y₁ , y₂ , ... , yᵥ into one boolean variable.
or
b) A
Real Trigger that maps v real variables y₁ , y₂ , ... , yᵥ into one boolean variable.
Note, v is not necessarily equal to u
Often v = 1, in which case the variables d , x₁ , x₂ , ... , xᵤ (or x₁ , x₂ , ... , xᵤ) are mapped into one single intermediate variable y₁

In the special case where the function h is of type
Real To Real Function and the second of type Real Trigger, the output of the resulting composite function is independent of the input date variable d