moonman239
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Here's the equation I'm using: erf(x) = x/|x| * SQRT(1 - exp(-x2*(4/pi + (ax)2) / (1 + ax2)
The discussion centers on the interpretation of the absolute value notation |x| within the error function (erf). Specifically, |x| represents the absolute value of x, which influences the calculation of erf(x) as x/|x| yields 1 for positive x and -1 for negative x. The equation presented, erf(x) = x/|x| * SQRT(1 - exp(-x²*(4/π + (ax)²) / (1 + ax²)), is noted as unfamiliar to some participants, indicating potential variations in the formulation of the error function.
PREREQUISITESMathematicians, students studying calculus or statistics, and anyone interested in the properties and applications of the error function.
moonman239 said:Here's the equation I'm using: erf(x) = x/|x| * SQRT(1 - exp(-x2*(4/pi + (ax)2) / (1 + ax2)