1·The optimum knots ordinate formula in the least square sense is derived by computing coefficient matrix and curve vertexes under the specified subsection knots abscissas conditions.
在给定分段节点横坐标的条件下，通过确定系数矩阵和反求曲线顶点，基于最小二乘法推导出最优节点的纵坐标公式。