2. Recall that in class we proved the following theorem: Theorem. Let T: VW be a linear transformation between finite-dimensional inner product spaces, and let T*: W → V be the adjoint of T. Then N(T) and R(T*) are orthogonal complementary pair in V, and R(T) and N(T*) are orthogonal complementary pair in W. Use this theorem to derive the following corollary: Corollary. Let A E Mmxn (R). Then the row space of A and the solution space of Ax = 0 are orthogonal complementary pair in R", and the column space of and the solution space of Aty = 0 are orthogonal complementary pair in Rm.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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2. Recall that in class we proved the following theorem:
Theorem. Let T: VW be a linear transformation between finite-dimensional
inner product spaces, and let T*: W → V be the adjoint of T. Then N(T) and
R(T*) are orthogonal complementary pair in V, and R(T) and N(T*) are orthogonal
complementary pair in W.
Use this theorem to derive the following corollary:
Corollary. Let A E Mmxn (R). Then the row space of A and the solution space of
Ax = 0 are orthogonal complementary pair in R", and the column space of A and
the solution space of Aty = 0 are orthogonal complementary pair in Rm.
Transcribed Image Text:2. Recall that in class we proved the following theorem: Theorem. Let T: VW be a linear transformation between finite-dimensional inner product spaces, and let T*: W → V be the adjoint of T. Then N(T) and R(T*) are orthogonal complementary pair in V, and R(T) and N(T*) are orthogonal complementary pair in W. Use this theorem to derive the following corollary: Corollary. Let A E Mmxn (R). Then the row space of A and the solution space of Ax = 0 are orthogonal complementary pair in R", and the column space of A and the solution space of Aty = 0 are orthogonal complementary pair in Rm.
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