List questions from scalar-fields

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Prove that there are infinitely many critical points and they are all local (and absolute) minima on $x^2+4y^2-4xy+2$

Published on 31 Oct 2014 - 22:17

489

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Gradient of $x^T B^T B x - x^T B^T b - b^T Bx$

Published on 02 Dec 2014 - 8:51

2.3k

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Derivative of a quadratic form

Published on 20 Dec 2014 - 20:04

1.1k

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Gradient of $f(x)=(a^T x)(b^T x)$

Published on 22 Oct 2019 - 0:57

1.1k

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Gradients, Directional Derivatives and Change in Scalar Functions

Published on 06 Nov 2019 - 19:54

187

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Gradient vector of scalar field

Published on 29 Nov 2019 - 12:50

449

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Prove that $ \text {(null}~T^*)^\perp \subseteq \text{range}~T $

Published on 04 Dec 2019 - 12:16

1k

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Derivative of summation across all elements of a matrix

Published on 08 Dec 2019 - 2:27

116

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Computing the gradient of $\det \left( \mathbf{X}^{T} \mathbf{X} \right)$

Published on 11 Dec 2019 - 13:07

105

Views

How to check if dot product calculation is true

Published on 18 Dec 2019 - 14:22

21

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what is wrong with following line integrals in a scalar field?

Published on 20 Dec 2019 - 15:33

82

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Does Scalar Field imply it is time-invarant

Published on 08 Jan 2020 - 22:26

65

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Covergence of sequences in a pre-Hilbert space

Published on 12 Jan 2020 - 19:18

31

Views

Sum of scalar products is finite dimensional

Published on 12 Jan 2020 - 21:20

35

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Apollonios equation holds iff the norm is induced by a scalar product

Published on 12 Jan 2020 - 22:26

List Question

Prove that there are infinitely many critical points and they are all local (and absolute) minima on $x^2+4y^2-4xy+2$

Gradient of $x^T B^T B x - x^T B^T b - b^T Bx$

Derivative of a quadratic form

Gradient of $f(x)=(a^T x)(b^T x)$

Gradients, Directional Derivatives and Change in Scalar Functions

Gradient vector of scalar field

Prove that $ \text {(null}~T^*)^\perp \subseteq \text{range}~T $

Derivative of summation across all elements of a matrix

Computing the gradient of $\det \left( \mathbf{X}^{T} \mathbf{X} \right)$

How to check if dot product calculation is true

what is wrong with following line integrals in a scalar field?

Does Scalar Field imply it is time-invarant

Covergence of sequences in a pre-Hilbert space

Sum of scalar products is finite dimensional

Apollonios equation holds iff the norm is induced by a scalar product

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