Evaluation relevant to the partial derivatives of the multivariable functions is often done in scientific computation, usually by means of the symbolic differentiation or the divided difference.
科学计算及其应用常常需要多变量函数的有关偏导数问题的计算,通常使用的计算方法是符号微分或差分近似。
This paper explains the characteristics of the symbolic differentiation programs system, its functions, the idea of its design, and the technique of its programming.
本文说明了符号微分程序系统的一些特征、功能、设计思想和程序设计技术。
Results: the index form of the metric diagnosis and pattern differentiation of TCM against opium abstinent syndrome has favorable effective functions for the diagnosis.
结果:阿片类戒断综合征中医辨证计量诊断指数表具有良好的诊断效能。
应用推荐