  The remagnetization dynamics of monolayer dot array superlattice XY 2-D spin
model with dipole-dipole interactions is simulated. Within the proposed model
of array, the square dots are described by the spatially modulated
exchange-couplings. The dipole-dipole interactions are approximated by the
hierarchical sums and spin dynamics is considered in regime of the
Landau-Lifshitz equation. The simulation of reversal for $40 000$ spins
exhibits formation of nonuniform intra-dot configurations with nonlinear
wave/anti-wave pairs developed at intra-dot and inter-dot scales. Several
geometric and parametric dependences are calculated and compared with
oversimplified four-spin model of reversal. The role of initial conditions and
the occurrence of coherent rotation mode is also investigated. The emphasis is
on the classification of intra-dot or inter-dot (interfacial) magnetic
configurations done by adaptive neural network with varying number of neurons.
