它在数值代数、控制论、电力系统理论、经济数学、统计学等众多领域中有着广泛应用。
It has numerous applications in numerical algebra, cybernetics theory, electrical system theory, mathematics of economics, statistics and so on.
较为详细地论述了水平井油-水两相渗流数学模型的建立，数值求解方法以及模拟计算机软件的研制和应用。
Establishment of a finite element mathematical model for the flow, its numerical solution, the associated computer program and the application are presented in detail.
建立激光相变硬化过程的温度场数学模型，并应用数值计算预测了相变硬化带的形状和尺寸。
The width and depth of laser transformation hardened layer was evaluated by establishing temperature field mathematical model and applying numerical calculation.
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