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| 1 | A CLASS OF FACTORIZED QUASI-NEWTON METHODS FOR NONLINEAR LEAST SQUARES PROBLEMS显示文摘This paper gives a class of descent methods for nonlinar least squares solu-tion. A class of updating formulae is obtained by using generalized inverse matrices.These formulae generate an approximation to the second part of the Hessian ma-trix of the objective function, and are updated in such a way that the resultingapproximation to the whole Hessian matrix is the convex class of Broyden-like up-dating formulae. It is proved that the proposed updating formulae are invarantunder linear transformation and that the class of factorized quasi-Newton methodsare locally and superlinearly convergent. Numerical results are presented and showthat the proposed methods are promising. | C.X. Xu X.F. Ma M.Y. Kong(Department of Mathematics, Xi’an Jiaotong University, Xi’an, China) | 1996 | Journal of Computational Mathematics1996，14，2： | 4 |
| 2 | ON THE MONTE CARLO SIMULATION OF NORMAL GRAIN GROWTH显示文摘微观结构和他们正常谷物生长的动力学与相对数字和 n=0.5 的理论正常谷物生长代表一起用不同蒙特卡罗( MC ) algorithms.Compared 被模仿, MC 算法的一些因素的效果, i.e.the 格子类型,选择格子地点的方法,并且为精力计算的邻居选择,在模拟上,谷物生长的结果被学习。回归的二个方法被比较,并且三参数的非线性的回归对适合有适当因素的更好的模型包括了的谷物生长 kinetics.A 更合适三角形的格子,随机选择的尝试的地点,和为精力计算的第一和第二位最近的邻居被获得。 | Y.T. Liu X.J. Guan X.M. Shen X.F. Ma L.J. Wang | 2008 | Acta Metallurgica Sinica(English Letters)2008，21，4： | 3 |
| 3 | Synthesis, structure and magnetic properties of SiO 2 -coated Fe nanocapsules显示文摘 | X.F. Zhang X.L. Dong H. Huang B. Lv X.G. Zhu J.P. Lei S. Ma W. Liu Z.D. Zhang | 2006 | Materials Science & Engineering A2006，，： | 1 |
| 4 | Effects of trace C addition on the microstructure and refining efficiency of Al–Ti–B master alloy显示文摘 | P.T. Li X.G. Ma Y.G. Li J.F. Nie X.F. Liu | 2010 | Journal of Alloys and Compounds2010，，2： | 1 |
| 5 | The influence of heat treatment on the corrosion behaviour of as-spun amorphous Al 88 Ni 6 La 6 alloy in 0.01 M NaCl solution显示文摘 | X.F. Wang X.Q. Wu J.G. Lin M. Ma | 2006 | Materials Letters2006，，8： | 1 |
| 6 | 查看详情显示文摘 | Xu Z.H Ma P.A Li C.X Hou Z.Y. Zhai X.F. Huang S.S. Lin J | | 0，，： | 1 |
| 7 | 查看详情显示文摘 | Xu Z.H Cao Y Li C.X Ma P.A. Zhai X.F. Huang S.S. Kang X.J. Shang M.M. Yang D.M. Dai Y.L. Lin J | | 0，，： | 1 |
| 8 | 741 OPTIMIZED STRATEGY: SEQUENTIAL PEGYLATED INTERFERON a-2a THERAPY IN ENTECAVIR-TREATED PATIENTS CHB WITHOUT SATISFACTORY END-POINT LED TO HBeAg SEROCONVERSION显示文摘 | X.F. Chen X.P. Chen X.J. Ma W.L. Chen | 2013 | Journal of Hepatology2013，，： | 1 |
| 9 | Urea and ethanolamine as a mixed plasticizer for thermoplastic starch显示文摘 | X.F. Ma J.G. Yu J.J. Wan | 2005 | Carbohydrate Polymers2005，，2： | 1 |
| 10 | Effects of mould temperature and grain refiner amount on microstructure and tensile properties of thixoforged AZ63 magnesium alloy显示文摘 | T.J. Chen L.K. Huang X.F. Huang Y. Ma Y. Hao | 2012 | Journal of Alloys and Compounds2012，，： | 1 |
| 11 | MAfHEMAfICAL MODEL FOR MELTING PROCESSES OF SOLID ARTICLES IMMERSED IN METAL BATHS显示文摘A mathematical model for melting processes of solid particles immersed in metal baths has been develOPed, which includes the cases with the melting point of solid particles greater than, equal to, and lower than freezing point of the bath. Experiments are performed on the melting of ice spheres in water at different temperature. The model is validated by experimental data for melting of ice spheres submerged in water and aluminum spheres immersed in aluminum melt. Finally, the parometers affecting particles melting time such as particle size, bath temperature, and slip velocity are analyzed. | B.K. Li X.F. Ma X.R. Zhang and J.C. He (Northeastern University, Shenyang 110006, China)(Northeastern University, Shenyang 110006, China)(Northeastern University, Shenyang 110006, China)(Northeastern University, Shenyang 110006, China) | 1999 | Acta Metallurgica Sinica(English Letters)1999，12，3： | 0 |
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