High Accurate Simple Approximation of Normal Distribution Integral

Figure 8

(a) Graphical comparison between exact (6.16) and approximate (6.17) results. (b)–(f) Relative error for the considered distance 𝑥={0.01m,0.05m,0.1m,0.2m,0.3m} expressed in meters.

(a) Time range between 0 s and 1800 s

(b) 𝑥=0.01m

(c) 𝑥=0.05m

(d) 𝑥=0.1m

(e) 𝑥=0.2m

(f) 𝑥=0.3m