In this paper, an optimal mathematical model solving method, the successive approximation method, of the nature of nonlinear integral programming problem is suggested.
本文提出一种求解优化数学模型，属于非线性整数规划问题的方法——逐次近似法。
From the perspective of functional analysis, the prediction of the aeroengine exhaust gas temperature could be seen as a functional approximation problem in nature.
从泛函分析的角度出发，将航空发动机排气温度预测问题转换为一种泛函逼近问题。
In particular, for the TM case, the biaxial nature of nonlinear refractive index is considered without any approximation.
特别是对于TM波，考虑了非线性折射率的双轴性，没有任何近似。
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