A class of generalized backward difference method for solving stiff ordinary differential equation containing parameters 求解Stiff常微分方程具有参数的一类广义向后差分(BDF)方法
Comparison of Several Backward Characteristic Difference Schemes for Pure Convective Equations 解纯对流方程几种向后特征差分格式的比较
Presents a kind of test equipment on temperature and pressure based on DSP. Adopting a successive backward sectional Newton divided difference interpolation mathematics model proposed by author, this equipments make the test for temperature, pressure digitalization, high precision and visualization. 设计了一种基于DSP的温度、压力测试装置,采用提出的一种改进的向后逐次分段的牛顿均差插值法,实现了对温度、压力进行实时测试的数字化、高精度和直观化。
Secondly, the discretization pattern is obtained for the determining solution problem mentioned above, through using the backward difference method to time variable and the finite volume method to space variables in an annular sloving domain which is used for actual computation. 其二在环形求解区域内,对上述定解问题中的时间变量使用向后差分(BDF)法、空间变量使用有限体积法进行离散化得到相应离散化格式,并将其应用于实例计算中;