5. Elementary Transformations Flashcards

1
Q

Theorem
Smith Normal Form
Proof

A
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2
Q

Lemma
rank(T) is size of …
Proof

A
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3
Q

Definition
Left and Right Linear Maps

A
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4
Q

Definition
Row and Column Space and Rank

A
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5
Q

Theorem
Elementary Transformations do not Affect Rank
Proof

A
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6
Q

Corollary
Column Rank = Row Rank
Proof

A
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7
Q

Theorem
Equivalences on A,B \in F^{m, n}
Proof

A
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8
Q

Proposition
Canonical Form

A
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9
Q

Lemma
Solving Systems and Gauss Method

A
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10
Q

Definition
Row Echelon Form

A
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11
Q

Definition
Row-reduced Echelon Form

A
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12
Q

Theorem
Any Matrix can be Brought into Row-reduced Echelon Form
Proof

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13
Q

Proposition
Existence of Solution to Systems

A
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14
Q

Lemma
AB = I_{n}
Proof

A
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15
Q

Lemma
(AB)^{-1} = B^{-1}A^{-1}
Proof

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16
Q

Proposition

A
17
Q

Row-reduced Echelon Form of A is I_{n}
Proof

A
18
Q

Corollary
An Invertible Matrix is a Product of Elementary Transformations
Proof

A