List questions from scalar-fields

Published on 10 May 2026 - 13:50

33

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Find all first-order partial derivative of the given function defined on $R^n$.

Published on 25 Mar 2026 - 6:02

34

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How is a set $\mathbb{R}$ a field if for a=0$\in \mathbb{R}$, $\nexists a^{-1}$ such that $a\cdot a^{-1}$=1

Published on 25 Mar 2026 - 6:06

459

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Index notation to prove vector identity

Published on 25 Apr 2026 - 19:08

83

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Laplacian of two scalar fields

Published on 25 Mar 2026 - 6:02

279

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Solving linear system over the reals modulo $\pi$

Published on 25 Mar 2026 - 5:59

464

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Derivative of $x' A A'x$ with respect to $A'$

Published on 25 Mar 2026 - 9:31

35

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help me find the value of a when u=(a,-4) and v=(2,6) are parallel vectors.

Published on 16 Apr 2026 - 23:47

145

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Closed form matrix derivative of $\operatorname{tr}(A\exp(X))$

Published on 25 Mar 2026 - 9:32

704

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Difference between Directional Derivative x Chain Rule for Scalar Fields

Published on 25 Mar 2026 - 6:00

492

Views

Derivative of row-wise softmax matrix w.r.t. matrix itself

Published on 25 Mar 2026 - 6:04

451

Views

Is the Hessian of quadratic functions always symmetric?

Published on 25 Mar 2026 - 6:04

470

Views

Gradient and Hessian of the product of two quadratic forms

Published on 13 Apr 2026 - 15:03

75

Views

How to write a function that describes a thin spherical shell?

Published on 25 Mar 2026 - 5:58

4k

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What is the derivative of $\log \det X$ when $X$ is symmetric?

Published on 25 Mar 2026 - 6:04

List Question

Derivative of coefficients of characteristic polynomial

Find all first-order partial derivative of the given function defined on $R^n$.

How is a set $\mathbb{R}$ a field if for a=0$\in \mathbb{R}$, $\nexists a^{-1}$ such that $a\cdot a^{-1}$=1

Index notation to prove vector identity

Laplacian of two scalar fields

Solving linear system over the reals modulo $\pi$

Derivative of $x' A A'x$ with respect to $A'$

help me find the value of a when u=(a,-4) and v=(2,6) are parallel vectors.

Closed form matrix derivative of $\operatorname{tr}(A\exp(X))$

Difference between Directional Derivative x Chain Rule for Scalar Fields

Derivative of row-wise softmax matrix w.r.t. matrix itself

Is the Hessian of quadratic functions always symmetric?

Gradient and Hessian of the product of two quadratic forms

How to write a function that describes a thin spherical shell?

What is the derivative of $\log \det X$ when $X$ is symmetric?

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