galerkin method matlab

tion: Derive the weak (variational) form of the PDE. For example, find \(u \in V\) such that: \[ a(u, v) = l(v) \quad \forall v \in V, \] where \(V\) is an appropriate function space, \(a(u, v)\) is a bilinear form, and \(l(v)\) is