高等数学常用的公式，包括积分、三角、微分公式，是考试必背的公式。-The higher mathematics commonly used formula, including the integral, the triangle, the differential formula, is the formula which the test must carry.

pid算法，将偏差的比例（Proportion）、积分（Integral）和微分（Differential）通过线性组合构成控制量，用这一控制量对被控对象进行控制，这样的控制器称PID控制器-pid algorithm, the deviation ratio (Proportion), integral (Integral) and differential (Differential) control the volume through the linear combination of

根据用户提供的C程序, 自动生成计算微分的C程序. 可以极大的减轻求解非线性问题, 最优化问题时,手工生成微分的工作量-ADIC is a suite of tools and libraries that automates the process of generating derivatives for scientific programs.