Yong-Hong Ren

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Based on the literature research on the development and application of fire-needle, the materials, the manufacturing process and application in clinic practices were studied. The major type, application and the representative experts of fire-needle in the contemporary era were summarized in this paper. The application fire-needle is more and more expanding(More)
This paper studies the properties of a class of nonlinear Lagrangians for nonlinear programming with inequality constraints. It's shown that under a set of conditions this class of Lagrange algorithm is locally convergent when the penalty parameter is larger than a threshold. An error bound estimate of the solution, depending on the penalty, is also(More)
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