SOLPEN~1.MWS Introduction Pendulum Model Soliton Solutions One-Soliton Solutions Kink AntiKink Two-Soliton Solutions Kink-Kink Collision Kink-AntiKink Collision Breather Solutions Standing Breather Large amplitude Breather Small amplitude Breather Three-Soliton Solutions Standing Kink and Moving Breather collision Standing Breather and Moving Kink collision Conclusion Disclaimer References