请高手帮忙英语翻译(6)

来源:百度知道 编辑:UC知道 时间:2024/05/22 15:52:48
1. INTRODUCTION 5

define the subspace V−2ofV−1 which is spanned by the orthonormal basis vectors
1
ϕ−2,k = √ (ϕ−1,2k−1 + ϕ−1,2k), k = 1, 2.

2
and project x(−1) onto V−2. This gives x(−2) defined as x(−2)= [ϕ−2,1 ϕ−2,2]X(−2) where
X(−2) is obtained by X(−2)=H(−2)X(−1) and where

1

H(−2)=


2

1 1

1 1.

If W−2=V−1V−2, then this orthogonal complement is spanned by the vectors which are
the columns of the matrix [G(−2)H(−1)]t with

1
G(−2)=√
2

1 −1

1 −1.

and the projection of x(−1) onto W−2 is given by y(−2)= [G(−2)H(−1)]tY(−2) with Y(−2)=
G(−2)X(−1). This process can be r

. 介绍5
子空间V−2ofV−1由规格化正交的依据跨过导航的define
1
ϕ−2, k = √ (ϕ−1,2k−1 + ϕ−1,2k), k = 1, 2。

2
and估计x (−1)在V−2.上。 这给x (−2)作为x (−2)= [ϕ−2,1 ϕ−2,2] X的defined (−2)的地方
X (−2)由X (−2)=H (−2) X获得(−1)和的地方

1

H (−2)=


2

1 1

1 1。

If W−2=V−1V−2,这正交补全由是的传染媒介然后跨过矩阵[G (−2) H (−1)] t的the专栏与

1
G (−2)=√
2

1 −1

1 −1。

and x的投射(−1)在W−2上给y (−2)= [G (−2) H (−1)] tY (−2)与Y (−2)=
G (−2) X (−1)。 (因为我们用尽数据),这个过程可以再次被重复。

Figure 1.5 : 第二分解

x (−2)

y (−2)

ϕ−2,2

ψ−2,2

space V−3是一维的和是由传染媒介ϕ−3,1=√12 (ϕW