A piecewise algebraic curve is a curve determined by the zero set of a bivariate spline function.In this paper, a conjec......

针对异常复杂的非线性预报系统，提出非线性多元样条回归预报模型，该模型既保留了线性统计预报中多元分析，逐步筛在子及显著性检验的理......

This paper gives an additional definition to multivariate truncated power T(x|x1 ,…,xn) when the knots x1 ,…,xn do not......