AXBï¼C
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Ay = Cçæ解ï¼
令A=P(A1,A2)ï¼å
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åAy=C = P(A1,A2)y =P(A1, A2)(y1, y2)',
å
¶ä¸y1为1xmç©éµï¼y2为(1x(n-m))ç©éµï¼ä»¤y2为任æåév1ï¼å
A1 y1' + A2 y2' = P^(-1) C
y1' = A1^(-1) [P^(-1) C - A2 v1')
èèXB= y
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(x1, x2) (B1,B2)'Q =y,
å¦æx2æ¯ä»»æåéï¼åx1 = [yQ^(-1) - x2B2) B1^(-1)
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