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A rapid and highly accurate approximation for the error function of complex argument (1308.3399v1)
Published 14 Aug 2013 in math.NA
Abstract: We present efficient approximation of the error function obtained by Fourier expansion of the exponential function $\exp [{- {(t - 2 \sigma)2}/4}]$. The error analysis reveals that it is highly accurate and can generate numbers that match up to the last decimal digits with reference values. Due to simple representation the proposed error function approximation can be utilized in a rapid algorithm.
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