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AIE Function
Math Engineering Class

Public Function AIE( _
    ByVal vX As Variant _
    ) As Variant

Calculate the Airy function for a negative argument and an exponentially scaled Airy function for a non-negative argument.

    AIE(-.5) = 0.47572809161054
    AIE(0.0) = 0.355028053887817
    AIE(+.5) = 0.293277159129947
See also:
    AI Function
    BIE Function
    DAIE Function
vX: Function returns Null if vX is Null or cannot be fixed up to a Double precision floating point number.

Evaluate AI(X) for X <= 0 and AI(X)*EXP(ZETA) where ZETA = 2/3 * X^(3/2) for X >= 0.0

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