| Index of Examples | Sequence of Successive Preimages | Map | Latex |
$ A = \begin{pmatrix} 1 & 1 \\ 1 & -1 \end{pmatrix}, u(x,y) = \Bigl(0.9156623651797111 + 0.021951835102472637 \sin(y) + 0.022276164605666202 \cos(y) + 0.0041099363926510625 \sin(x) + 0.017430663154417426 \sin(x)\sin(y) + 0.01641872789319902 \sin(x)\cos(y) + 0.015368404807197249 \cos(x) + 0.014402556695248123 \cos(x)\sin(y) + 0.014643273315113895 \cos(x)\cos(y) , 0.7570015446263119 + 0.022389920642265138 \sin(y) + 0.011664903002185208 \cos(y) + 0.016608811407884377 \sin(x) + 0.02566643442757187 \sin(x)\sin(y) + 0.0019609003402729828 \sin(x)\cos(y) + 0.007643849358352041 \cos(x) + 0.006940647375868991 \cos(x)\sin(y) + 0.012863762603926366 \cos(x)\cos(y)\Bigr)$