Hello my friend

exp(​(‑(((x-​4)^​2+​(y-​4)^​2)^​2))/​1000)+​exp(​(‑(((x+​4)^​2+​(y+​4)^​2)^​2))/​1000)+​0.1*​exp(​‑(((x+​4)^​2+​(y+​4)^​2)^​2))+​0.1*​exp(​‑(((x-​4)^​2+​(y-​4)^​2)^​2))

Опчег :)