真题附答案
重X 大学试卷 教务处08版 第 4 页 共 4 页
1(1)(1)(3)x x x =+
1(2)[(0)(2)](0)(2)N x x x W x x =-=- 11(3)[(1)(3)][(1)(3)]N x x x W j x x =-=--
11(0)(0)(1)X x x =+
1111(2)[(0)(1)](0)(1)N X x x W x x =-=- 11(1)(2)(3)X x x =+
1111(3)[(2)(3)](2)(3)N X x x W x x =-=-
若已知(0)1,(1)0,(2)2,(3)1x x x x ====-,则有 1(0)(0)(2)x x x =+=3 1(1)(1)(3)x x x =+=-1 1(2)(0)(2)1x x x =-=- 1(3)[(1)(3)]x j x x j =--=-
11(0)(0)(1)X x x =+=2 11(2)(0)(1)4X x x =-=
11(1)(2)(3)1X x x j =+=-- 11(3)(2)(3)1X x x j =-=-+
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