1引言考虑大型超定线性代数方程组Ax=b,(1)其中A∈Cm×n(m>n),b∈Cm.当m=n时,线性代数方程组求解的相关理论和算法较为成熟,但在很......

摘要：研究了一类超定非线性方程组的牛顿迭代法的收敛性．这类非线性方程组具有常秩的Frechet导数且其导数满足Lipschitz条件．证明了当......

The working platforms supported with multiple extensible legs must be leveled before they come into operation.Although t......