The three algorithms mentioned above have been widely used in the solving of geo physical problems and are a powerful mathematical tool for nonlinear inversion problems.
上述三种用于反演问题求解的算法已广泛地应用在地球物理求解中，已成为求解非线性反问题的有力数学工具。
Methods: Using the MRI inversion recovery technology systemically in theory and get the mathematical expression of the zero signal point.
方法：从理论上对核磁共振成像反转恢复技术进行系统研究，获得零信号点的数学表达式。
In this paper, according to inversion set and its topological space definition, we studied some mathematical definition and their relevant theorem of decision theory, and apply theory to practice.
将决策学中的一些概念推广到反演集合拓扑空间中，给出一些相关的定义、定理及其在实际工作中的应用。
The Relatlonship Mapping Inversion approach, or RMI for short, is a universal mathematical principle and frequently applied to both elementary and advanced mathematics.
关系映射反演方法即RMI方法。它是数学中一个极普遍的方法原则，无论在初等数学还是在高等数学中都可以找到它的许多应用实例。
Secondly, the inversion matrix equation of the particle size distribution is obtained from the discrete characteristics of the particle distribution in both mathematical theories and experiments.
其次，根据微粒数分布离散性的特征，建立了微粒粒度分布函数的反演矩阵及其实验方法。
Secondly, the inversion matrix equation of the particle size distribution is obtained from the discrete characteristics of the particle distribution in both mathematical theories and experiments.
其次，根据微粒数分布离散性的特征，建立了微粒粒度分布函数的反演矩阵及其实验方法。
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