List questions from scalar-fields

Published on 10 May 2026 - 18:25

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Gradient of product of matrices

Published on 17 Apr 2026 - 10:37

1.6k

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Visualising the difference between scalar and vector fields

Published on 14 Apr 2026 - 8:07

149

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Derivative of $\mathrm{tr}((A^{1/2}BA^{1/2})^{1/2})$ w.r.t $A$

Published on 16 Apr 2026 - 13:32

107

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How to find $\nabla_X (a^T X b)$?

Published on 13 Apr 2026 - 12:43

559

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Method of images using Green functions with Dirichlets and Neumann conditions for diffraction problems

Published on 24 Mar 2026 - 23:44

283

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Finding the gradient of $f(x) := \ln \left( 1 + e^{-ab^Tx} \right)$

Published on 16 Apr 2026 - 15:10

766

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Can eigenvalues be outside of the scalar field of a vector space?

Published on 14 Apr 2026 - 21:36

56

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Expressing Vectors, Finding the Angle and Finding the Area

Published on 11 Apr 2026 - 19:20

333

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Prove: $\nabla_A \text{tr}\left(ABA^TC\right) = CAB + C^TAB^T$

Published on 16 Apr 2026 - 7:30

304

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Gradient and hessian of $\log(1+x^TAx)$

Published on 17 Apr 2026 - 4:03

59

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How does the $Tr(nX^{n-1})$ become $n(X^{n-1})^T$?

Published on 13 Apr 2026 - 21:58

1.3k

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Gradient of $X \mapsto \mbox{trace} \left( X^T A X \right)$

Published on 17 Apr 2026 - 14:02

3.3k

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Gradient of $M \mapsto x^T M x$

Published on 16 Apr 2026 - 23:39

55

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2 types of Line integrals in scalar field

Published on 10 May 2026 - 18:32

List Question

Explanation of fields with characteristic 2, with examples

Gradient of product of matrices

Visualising the difference between scalar and vector fields

Derivative of $\mathrm{tr}((A^{1/2}BA^{1/2})^{1/2})$ w.r.t $A$

How to find $\nabla_X (a^T X b)$?

Method of images using Green functions with Dirichlets and Neumann conditions for diffraction problems

Finding the gradient of $f(x) := \ln \left( 1 + e^{-ab^Tx} \right)$

Can eigenvalues be outside of the scalar field of a vector space?

Expressing Vectors, Finding the Angle and Finding the Area

Prove: $\nabla_A \text{tr}\left(ABA^TC\right) = CAB + C^TAB^T$

Gradient and hessian of $\log(1+x^TAx)$

How does the $Tr(nX^{n-1})$ become $n(X^{n-1})^T$?

Gradient of $X \mapsto \mbox{trace} \left( X^T A X \right)$

Gradient of $M \mapsto x^T M x$

2 types of Line integrals in scalar field

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