List questions from kronecker-delta

Published on 02 May 2020 - 15:27

359

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Multiplication with discrete delta function

Published on 15 May 2020 - 14:23

251

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Prove that $ \delta _{ik} \delta _{kj} = \delta _{ij} $

Published on 16 Jun 2020 - 22:04

44

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Why is $a^i_jA^j_k=\delta^i_ka$ valid

Published on 24 Jun 2020 - 13:16

332

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How to simplify Kronecker delta with einstein summation?

Published on 19 Jul 2020 - 15:02

78

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How are indices written and managed when working with matrices and tensors?

Published on 20 Jul 2020 - 17:45

86

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Kronecker delta in multivariate Taylor expansion

Published on 27 Jul 2020 - 23:14

190

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Evaluate: $\sum\limits_{n\ge1}\sum\limits_{m\ge0}\sum\limits_{k=0}^{n-1}\frac{y^nm^k(-n)^m\delta_{k+m-n+1}}{(k+m-n+1)!\Gamma(n-k)k!n}$

Published on 10 Mar 2023 - 14:48

18

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Indices without a given domain in sum notation.

Published on 21 Mar 2023 - 19:55

59

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Simplify Ricci tensor

Published on 04 Apr 2023 - 18:30

105

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Proof of the relation between $SO(3)$ generators and their Lie braket

Published on 04 Apr 2023 - 19:46

29

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Fourier Transform of continuous time limit mimicking Kronecker Delta

Published on 19 Apr 2023 - 20:15

92

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Can the convolution of two complex sequences be a Kronecker delta?

Published on 21 Apr 2023 - 16:37

20

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Complex sequence convoluted with (almost) itself is Kronecker delta

Published on 23 Apr 2023 - 18:00

43

Views

How to make sense of a summation containing kronecker delta?

Published on 25 May 2023 - 20:17

List Question

Ricci Calculus kronecker delta

Multiplication with discrete delta function

Prove that $ \delta _{ik} \delta _{kj} = \delta _{ij} $

Why is $a^i_jA^j_k=\delta^i_ka$ valid

How to simplify Kronecker delta with einstein summation?

How are indices written and managed when working with matrices and tensors?

Kronecker delta in multivariate Taylor expansion

Evaluate: $\sum\limits_{n\ge1}\sum\limits_{m\ge0}\sum\limits_{k=0}^{n-1}\frac{y^nm^k(-n)^m\delta_{k+m-n+1}}{(k+m-n+1)!\Gamma(n-k)k!n}$

Indices without a given domain in sum notation.

Simplify Ricci tensor

Proof of the relation between $SO(3)$ generators and their Lie braket

Fourier Transform of continuous time limit mimicking Kronecker Delta

Can the convolution of two complex sequences be a Kronecker delta?

Complex sequence convoluted with (almost) itself is Kronecker delta

How to make sense of a summation containing kronecker delta?

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