plot re(log((zeta(x+2 pi i)) / (Zeta(1-x+2 pi i))))-(1/e^19.0501(x-0.5))+(1/e^5.46372(x)(x-0.5)(x-1))-(1/e^10.335(x)(x-0.2)(x-0.5)(x-0.8)(x-1)) from -0.2 TO 1.2