Comp Real Trigger


Comp Real Trigger is a
direct subtype of Real Trigger
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with functions Comp Real Trigger Functions, keys Comp Real Trigger keys and example object CompRealTrig

TYPE INCLUSION RELATIONSHIPS

Real Trigger

Comp 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 Real Trigger

CompRealTrig

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This type represents a predicate function ƒ that represents the composite of a given
Real Trigger𝘨 and a given Real To Real Functionh
Using the conventional mathematical symbol ⸰ for the composition operator between functions, the formal definition is:
ƒ = 𝘨 ⸰ h
h is 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 a
Real Trigger that maps v real variables y₁ , y₂ , ... , yᵥ into one boolean variable.
Note, v is not necessarily equal to u

It follows that ƒ maps u real variables (i.e. single numbers) x₁ , x₂ , ... , xᵤ into one single boolean variable by means of a chain of two separate steps.

In the first step, the real variables x₁ , x₂ , ... , xᵤ are mapped into v intermediate real variables y₁ , y₂ , ... , yᵥ with the help of the function h
Often v = 1, in which case the variables x₁ , x₂ , ... , xᵤ are mapped into one single intermediate variable y₁

In the second step, the intermediate real variables y₁ , y₂ , ... , yᵥ are mapped into the final boolean variable with the help of the predicate function 𝘨