List questions from quadratic-forms

Published on 22 Mar 2026 - 23:37

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The partial derivative of the complex quadratic statement

Published on 21 Mar 2026 - 16:25

609

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Is the Perturbed Laplacian Matrix positive Definite?

Published on 23 Mar 2026 - 1:56

156

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Prove that the set $\{x : x^T(A-B)x = 1\}$ is not bounded

Published on 09 Feb 2018 - 19:24

218

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Bijection of quadratic forms and symmetric bilinear forms in characteristic $2$

Published on 10 Feb 2018 - 10:53

525

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Can you show this is a bilinear form?

Published on 22 Mar 2026 - 18:36

296

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Power operation on a quadratic form

Published on 22 Mar 2026 - 3:52

434

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If two different symmetric positive definite matrices have equal determinants then $A-B$ is neither positive semidefinite nor negative definite

Published on 12 Feb 2018 - 19:09

153

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The set defined by the orthogonal projector

Published on 22 Mar 2026 - 10:53

456

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Quadratic polynomial is nonnegative if and only if a matrix is positive semidefinite.

Published on 22 Mar 2026 - 12:22

34

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If $V$ over $\mathbb{C}$, $\dim V\ge 2$, let $q: V \rightarrow \Bbb{C}$ be a Quadratic form. s.t. exists $v \ne 0$ such that $q(v)=0$

Published on 15 Feb 2018 - 12:24

192

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Converting standard form into vertex form?

Published on 22 Mar 2026 - 9:19

543

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Quadratic equation can be written in the form...

Published on 22 Mar 2026 - 13:45

58

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Explanation of this matrix differential equation

Published on 22 Mar 2026 - 18:40

293

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Positive Definite Quadratic Form with variable

Published on 22 Mar 2026 - 11:00

List Question

The derivative of complex quadratic form

The partial derivative of the complex quadratic statement

Is the Perturbed Laplacian Matrix positive Definite?

Prove that the set $\{x : x^T(A-B)x = 1\}$ is not bounded

Bijection of quadratic forms and symmetric bilinear forms in characteristic $2$

Can you show this is a bilinear form?

Power operation on a quadratic form

If two different symmetric positive definite matrices have equal determinants then $A-B$ is neither positive semidefinite nor negative definite

The set defined by the orthogonal projector

Quadratic polynomial is nonnegative if and only if a matrix is positive semidefinite.

If $V$ over $\mathbb{C}$, $\dim V\ge 2$, let $q: V \rightarrow \Bbb{C}$ be a Quadratic form. s.t. exists $v \ne 0$ such that $q(v)=0$

Converting standard form into vertex form?

Quadratic equation can be written in the form...

Explanation of this matrix differential equation

Positive Definite Quadratic Form with variable

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