Parameter inversion of solute transport inside unsaturated soils was generally solved through a nonlinear operator equation.
非饱和土中溶质迁移参数反演问题可以归结为非线性算子方程的求解问题。
By reducing the MREIT problem to a nonlinear operator equation, the formal derivative of the operator and the formula of solution for linearization problem are given.
通过将问题化为非线性算子方程，推导出算子的形式导数，给出了线性化问题解的等价表达。
By using a nonlinear equation satisfied the charge operator, the spectrum is calculated exactly in energy basis for each cell.
根据电荷算符满足的非线性运动方程，在各单元能量基上，精确地计算了能谱。
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