[CUMCM2025 🏆省三等奖] 基于 Drude-Sellmeier 模型的 SiC 外延层厚度反演，结合极值点拟合和全谱拟合双算法，包含数据预处理、去噪、算法分析与可视化、结果验证完整流程

LaTeX paper and visualization archive for CUMCM 2025 Problem A, featuring smoke-screen trajectory modeling and optimization with DE, GA, and PSO.

A decision-support system for Non-Invasive Prenatal Testing (NIPT) risk assessment and timing optimization, developed for the 2025 CUMCM (Higher Education Press Cup).针对2025年数模国赛（高教社杯）开发的无创产前检测（NIPT）风险评估与时序优化决策支持系统。