List questions from linear-algebra

Published on 20 Mar 2026 - 7:21

352

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Evaluate a determinant with $\sin$

Published on 25 Mar 2026 - 14:14

47

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Determine if U a subspace of $P_3$?

Published on 20 Mar 2026 - 19:21

904

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Projecting vectors onto line (finding matrix associated with transformation)

Published on 26 Mar 2026 - 20:44

2.1k

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How to find a dual basis given a basis?

Published on 22 Mar 2026 - 13:26

211

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Does every polynomial with a Perron root have a primitive matrix representation?

Published on 22 Mar 2026 - 14:56

1.3k

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proving there exists a non zero polynomial for which B has a root

Published on 26 Mar 2026 - 2:44

826

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Orthogonal Projection in Inner Product

Published on 20 Mar 2026 - 8:15

362

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Proving equalities on the kernel and image of a linear transformation

Published on 26 Mar 2026 - 20:40

468

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Rank of Matrix , Intersection of 3 planes

Published on 25 Mar 2026 - 11:21

1.7k

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Let $A,B$ be $m \times n$ and $n \times m$ matrices, respectively. Prove that if $m > n$, $AB$ is not invertible

Published on 24 Mar 2026 - 23:49

62

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What is the relation of between $REF(A)$ and $REF(A^T)$?

Published on 22 Mar 2026 - 15:22

529

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Matrix Row Reduction - What am I doing wrong?

Published on 25 Mar 2026 - 17:28

1.5k

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Proof of cancellation law for vector addition

Published on 25 Mar 2026 - 5:41

576

Views

Can a L.I. set transform into a L.D. set after Linear Transformation?

Published on 26 Mar 2026 - 20:39

List Question

Does congruence transformation preserve definiteness of a nonsymmetric matrix?

Evaluate a determinant with $\sin$

Determine if U a subspace of $P_3$?

Projecting vectors onto line (finding matrix associated with transformation)

How to find a dual basis given a basis?

Does every polynomial with a Perron root have a primitive matrix representation?

proving there exists a non zero polynomial for which B has a root

Orthogonal Projection in Inner Product

Proving equalities on the kernel and image of a linear transformation

Rank of Matrix , Intersection of 3 planes

Let $A,B$ be $m \times n$ and $n \times m$ matrices, respectively. Prove that if $m > n$, $AB$ is not invertible

What is the relation of between $REF(A)$ and $REF(A^T)$?

Matrix Row Reduction - What am I doing wrong?

Proof of cancellation law for vector addition

Can a L.I. set transform into a L.D. set after Linear Transformation?

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