a1=4xx2+y2−x4+2x2y2−16x2+y4+16y2+64+8=
4xx2+y2−x4+2x2y2−16x2+y4+16y2+64+8=
0.25*(8 + x^2 + y^2 - 8*(1 + 0.015625*x^4 + 0.015625*y^4 + 0.25*y^2 - 0.25*x^2 + 0.03125*x^2*y^2)^0.5)/x
b1=4yx2+y2−x4+2x2y2−16x2+y4+16y2+64−8=
4yx2+y2−x4+2x2y2−16x2+y4+16y2+64−8=
0.25*(-8 + x^2 + y^2 - 8*(1 + 0.015625*x^4 + 0.015625*y^4 + 0.25*y^2 - 0.25*x^2 + 0.03125*x^2*y^2)^0.5)/y
a2=4xx2+y2+x4+2x2y2−16x2+y4+16y2+64+8=
4xx2+y2+x4+2x2y2−16x2+y4+16y2+64+8=
0.25*(8 + x^2 + y^2 + 8*(1 + 0.015625*x^4 + 0.015625*y^4 + 0.25*y^2 - 0.25*x^2 + 0.03125*x^2*y^2)^0.5)/x
b2=4yx2+y2+x4+2x2y2−16x2+y4+16y2+64−8=
4yx2+y2+x4+2x2y2−16x2+y4+16y2+64−8=
0.25*(-8 + x^2 + y^2 + 8*(1 + 0.015625*x^4 + 0.015625*y^4 + 0.25*y^2 - 0.25*x^2 + 0.03125*x^2*y^2)^0.5)/y