2.8(b) Nonlinear Regression for Margules Equations
100 29
x1	x2=1-x1	gamma1	gamma2	gsum=gamma1+gamma2	gam1calc=exp(x2^2*(2*.45157-.26077)+2*x2^3*(.26077-.45157))	gam2calc=exp(x1^2*(2*.26077-.45157)+2*x1^3*(.45157-.26077))	sumterm=(gamma1-gam1calc)^2+(gamma2-gam2calc)^2
0.0464	0.9536	1.2968	0.9985	2.2953	1.28818363739141	1.00018878125461	7.70936867286297e-05
0.0861	0.9139	1.2798	0.9998	2.2796	1.27792812422504	1.0007625595531	4.43043981014638e-06
0.2004	0.7996	1.2358	1.0068	2.2426	1.24063023963667	1.0058984878267	2.41439391462652e-05
0.2792	0.7208	1.1988	1.0159	2.2147	1.21026372860189	1.01385473193819	0.000135600194902449
0.3842	0.6158	1.1598	1.0359	2.1957	1.16705408338215	1.03248591293155	6.4277716226145e-05
0.4857	0.5143	1.1196	1.0676	2.1872	1.12524289980405	1.06208027806791	6.23096484061456e-05
0.5824	0.4176	1.0838	1.1096	2.1934	1.08788197929178	1.10419431491999	4.58839861227619e-05
0.6904	0.3096	1.0538	1.1664	2.2202	1.05153211289335	1.1722541605219	3.94145073446801e-05
0.7842	0.2158	1.0311	1.2401	2.2712	1.02642302138752	1.25490457427547	0.000241049548419505
0.8972	0.1028	1.0078	1.4038	2.4116	1.0063942596282	1.39364366994935	0.000105127146090644
*
gsum=exp(x2^2*(2*B-A)+2*x2^3*(A-B))+exp(x1^2*(2*A-B)+2*x1^3*(B-A))
B=0.46	A=0.25