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For x>0 the function returns xˣ+1. For x≤0 it explicitly returns one, avoiding non-real powers for many negative inputs. The positive branch tends to two as x approaches zero from above, so the chosen branch at zero makes the implemented function discontinuous there.
Terms & definitions
| Term | Meaning in this source |
|---|---|
| x | Scalar signature input |
How it works
Read the definition from its right-hand expression to the quantity on the left. Its surrounding source records the intended input, state, or parameter context. Where the source leaves an operation unspecified, this page preserves that gap.
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Original context
Read the surrounding source passage
PrimaryAffinity: "Routing",
}
// =============================================================================
// 13.2 FAMILY FUNCTIONAL SIGNATURES
// =============================================================================
// FYad: F_Yad(x) = x^x + 1 (Foundation)
func FYad(x float64) float64 {
if x <= 0 {
return 1.0
}
return math.Pow(x, x) + 1.0
}
// FLashon: F_Lashon(x) = Σ_n a_n·sin(nπx) (Language - Fourier series)
func FLashon(x float64) float64 {
sum := 0.0Exact original notation
FYad: F_Yad(x) = x^x + 1 (Foundation)