Non-orthogonal interpolation on closed interval and convergence

Key Points

• Improved convergence in function approximation is observed using non-orthogonal interpolation techniques.
• Key evidence shows that convergence rates are significantly enhanced for specific closed intervals during numerical evaluations.
• Analysis involves assessing interpolation methods systematically across defined closed intervals and various function types.
• Highlighting the efficiency of these methods signifies potential advancements in numerical approximation tools.