Table 5.

The weight and bias of the trained ANN for predicting the removal of Pb(II).

W1	W2	b1	b2
	[−0.16147 0.85147 −1.1877 1.125 1.8233 0.12975 −0.72917 1.6183 −0.068404 −0.31243 1.8263 1.0474 0.33743 1.7101 −0.165 1.2238 0.85285 −0.41348 0.57248 −0.15122]	[5.1699;	[−2.7344]
		3.2342;
		2.4921;
[2.3555 0.22624 1.4495 1.7728;		3.3494;
−1.7946 1.2629 1.8741 1.1642;		−1.7066;
1.6833 1.0471 0.20408 1.9717;		−2.0543;
0.87665 1.9143 −2.0152 −0.58027;		−0.9055;
0.21074 −0.44249 3.3956 −0.4547;		1.3696;
0.059627 −1.0689 −0.5686 0.8507;		−0.92683;
−1.6308 1.5808 2.2064 0.30565;		0.6882;
1.8589 0.58103 −2.6895 −1.0942;		1.5333;
−2.1314 −1.6081 −1.0178 −1.4578;		−3.3323;
−2.9458 2.3503 −1.3511 0.86399;		−0.30565;
0.63077 −1.5321 1.3034 −0.23255;		0.36439;
1.3319 0.64905 −0.51145 2.138;		−1.6027;
1.3292 0.083706 −1.8689 1.8066;		−0.30928;
1.3137 −0.96565 1.7822 −3.1317]		3.1452;
		2.623;
		2.9375;
		2.176]