List questions from quadratic-forms

Published on 24 Mar 2026 - 15:43

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The partial derivative of the complex quadratic statement

Published on 24 Mar 2026 - 15:43

617

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Is the Perturbed Laplacian Matrix positive Definite?

Published on 29 Apr 2026 - 12:42

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

Published on 16 Apr 2026 - 10:59

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

Published on 15 Apr 2026 - 12:07

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Can you show this is a bilinear form?

Published on 30 Apr 2026 - 14:44

300

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Power operation on a quadratic form

Published on 10 Apr 2026 - 18:53

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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 14 Apr 2026 - 15:14

158

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The set defined by the orthogonal projector

Published on 05 May 2026 - 12:24

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

Published on 29 Apr 2026 - 12:27

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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 Apr 2026 - 20:15

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Converting standard form into vertex form?

Published on 13 Apr 2026 - 19:34

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Quadratic equation can be written in the form...

Published on 10 Apr 2026 - 20:11

61

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Explanation of this matrix differential equation

Published on 09 Apr 2026 - 20:39

296

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Positive Definite Quadratic Form with variable

Published on 12 Apr 2026 - 15:04

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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