Difference Methods 区域的离散:将区间[a,分成N等分,分点为 a+ih,=0,1 h为步长,x;为节点 方程离散 边界条件的处理 difference methods for BVP 2003, Fudan University, Chen Wenbin-p. 4/50Difference Methods [a, b] N x j = a + ih, i = 0, 1, . . . , N h x i difference methods for BVP, 2003, Fudan University, Chen Wenbin – p.4/50