【摘要】 利用Ｂｙｒｄ等人给出的ψ函数，分析了Ｂｒｏｙｄｅｎ非凸族．对于一致凸函数，证明了Ｂｒｏｙｄｅｎ非凸族的全局和超线性收敛性．更多还原

【Abstract】 The behavior of the preconvex part of Broyden’s family is analyzed by using a ψ function which was proposed by Byrd and Nocedal.For uniformly convex objective functions,the global and superlinear convergence of the preconvex part of Broyden’s family are proved.更多还原