生物医学领域最常见的数学模型是微分方程形式的模型。大多数微分方程，需要用数值方法求解。主要介绍有限差分法、插值法和积分法-The biomedical field is the most common form of differential equations mathematical model model. Most of differential equations, numerical methods needed.

有限差分法和打靶法求解二阶线性常微分方程，比较简单的代码，其能够满足硕士数值计算课程的作业的需要。(The finite difference method for solving two order linear ordinary differential equations, relatively simple code, which can meet the needs of master's numerical calculation course homework.)