... thechange of variable z =A2x2+A1x+A0+y (the constants A2, A1 ,and A0are selected usingthe method of undetermined coefficients). In particular, the nonhomogeneous boundaryconditions of ... continuous in x for fixed s, with x1≤ x ≤ x2 and x1≤ s ≤ x2.2◦. G(x, s) is a solution of the homogeneous equation (12.2.4.6), with r = 0,forallx1< x < x2exclusive of the point ... conditions of the general formα1yx+ β1y = 0 at x = x1,α2yx+ β2y = 0 at x = x2.(12.2.5.2)It is assumed that the functions p, px, s ,and q are continuous, and p and s are...