High Accurate Simple Approximation of Normal Distribution Integral

Figure 6

(a) Graphical comparison between exact (6.9) and approximate (6.10) results. (c)–(h) Relative error for the considered distance 𝑥={0.1m,0.2m,0.3m,0.4m,0.5m,0.6m}.

(a) Time range between 0 s and 2000 s

(b) Time range between 0 s and 250 s

(c) 𝑥=0.1m

(d) 𝑥=0.2m

(e) 𝑥=0.3m

(f) 𝑥=0.4m

(g) 𝑥=0.5m

(h) 𝑥=0.6m