the phase space projective method

(2+1) dimensional shallow water wave equation equation

adjoin equation method

adjoint equation method

cubic equation method

difference equation method

empirical equation method

exponential equation method

force method equation

indirect boundary integration equation method

indirect boundary integration equation method IBIE

Integral equation method

modified transmission line equation method MTLEM

rotated parabolic equation method

Spline integral equation method

state equation method

structural equation method

the non-smooth equation method

trial equation method

volume integral equation method