exp((k(1v)+lv)I+ey2πjv)(exp(ex2πu)ex(1+fcos(2πgu)+hcos(2πiv))+v)

[exp(k+lvkv)(m+cos(2uπ)+fcos(2uπ)cos(2guπ)+hcos(2uπ)cos(2ivπ))exp(k+lvkv)(ncos(2jvπ)osin(2jvπ)+cos(2jvπ)sin(2uπ)+fcos(2jvπ)cos(2guπ)sin(2uπ)+hcos(2jvπ)cos(2ivπ)sin(2uπ))exp(k+lvkv)(nsin(2jvπ)+ocos(2jvπ)+sin(2uπ)sin(2jvπ)+fcos(2guπ)sin(2uπ)sin(2jvπ)+hcos(2ivπ)sin(2uπ)sin(2jvπ))]