有限差法计算期权价格，美式期权，说明包含在文件里，-finite difference method options prices, the American option, the statement contained in the document,

包含了14段代码，主要是金融领域。包含了显性有限差分-期权定价、蒙特卡洛定价、风险中性期权定价等-Contains 14 sections of the code, mainly in the financial sector. Contains explicit finite difference- pricing, Monte Carlo pricing, risk-neutral pricing options