Finite Difference Method solution to Laplace's Equation

SOLVED: Question 2. [15 pts] Find the first 5 Green's function values Gj, j = 1, 2, 5 for the following models using the implicit method:(a) Xt   1.5Xt-1 0.6Xt-2 0.5at-1(b) Xt 0.5Xt-1 @t 0.3at-1 = Xt-2 2Xt-1 0.6Xt-2 - 0.2Xt-3 at 0.6a -1 0.5a5-2

QAGCN: Answering Multi-Relation Questions via Single-Step Implicit Reasoning over Knowledge Graphs