{{0, 0, 0, 0}, {(-512*(6 - 17*ep + 12*ep^2)*x)/((1 - 16*x^2)^2*(3 + 16*x^2)), 
(-32*x*(2 - 32*x^2 + ep*(5 + 112*x^2)))/(-3 + 32*x^2 + 256*x^4),
(-256*(-1 + 2*ep)*x*(1 - 16*x^2 + ep*(-1 + 48*x^2)))/((1 - 16*x^2)^2*(3 + 16*x^2)), 0}, 
 {0, 8*x, 0, 0}, {0, -3/x, (8*(-1 + 3*ep))/(x - 16*x^3), (1 - 2*ep - 16*x^2 + 96*ep*x^2)/(x - 16*x^3)}}