2.1 Scattering Matrix Analysis of Finite Single-Block Structures2.1.1 Eigenmode Analysis2.1.2 S-Matrix and Coupling Coefficient Operator Calculation of a Single Block2.1.3 Field Visualization2.1.3.1 Left-to-Right Field Visualization2.1.3.2 Right-to-Left Field Visualization2.2 Scattering Matrix Analysis of Collinear Multiblock Structures2.2.1 Two-Block Interconnection2.2.2 N-Block Interconnection with Parallelism2.2.3 Half-Infinite Block Interconnection2.2.4 Field Visualization2.2.4.1 Left-to-Right Field Visualization2.2.4.2 Right-to-Left Field Visualization2.2.4.3 Energy Conservation2.3 MATLAB® Implementation