List questions from inverse

Published on 27 Apr 2018 - 9:11

277

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Inverse Fourier transform of $U(0,1)$ PDF

Published on 22 Mar 2026 - 21:51

478

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Bott-Duffin-Inverse and linear equation systems

Published on 22 Mar 2026 - 14:37

333

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Cone $x^2+y^2-z^2=0$ as a degenerate quadric

Published on 23 Mar 2026 - 1:18

81

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If $n$ is odd and $a_{ij} = -a_{ji}$ for all $i,j\in\{1,...,n\}$, then $A$ is not invertible. Does the statement hold also when $n$ is even?

Published on 29 Apr 2018 - 6:36

1k

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Inverse of this matrix with trigonometric functions

Published on 29 Apr 2018 - 10:16

326

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Prove that $T$ is invertible if $(T\circ T)+T −2I_V = 0$

Published on 30 Apr 2018 - 9:03

69

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Obtaining Laurent series of 1/f(z) given the laurent series of f(z).

Published on 01 May 2018 - 12:17

29

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Such thing as inverse/undo "search" or "filter" operator

Published on 25 Feb 2026 - 12:19

841

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How to solve the problem "A large room contains two speakers that are 3 meters apart …"?

Published on 03 May 2018 - 4:07

160

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Invertible matrices with integer entries has to be permutation matrices

Published on 05 May 2018 - 6:45

316

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Why doesn't the least squares equation simplify?

Published on 25 Mar 2026 - 6:09

304

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Prove that if $\Vert{Qx}\Vert = \Vert{x}\Vert$ then $Q^{-1} = Q^{t}$

Published on 25 Mar 2026 - 6:12

31

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How to find solution to equation A + modinv(A,n) mod n == -1

Published on 08 May 2018 - 11:26

69

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Show that E_n - λN is invertible for every λ∈K and determine (E_n - λN)^-1

Published on 08 May 2018 - 13:30

List Question

Finding invert for complicated function

Inverse Fourier transform of $U(0,1)$ PDF

Bott-Duffin-Inverse and linear equation systems

Cone $x^2+y^2-z^2=0$ as a degenerate quadric

If $n$ is odd and $a_{ij} = -a_{ji}$ for all $i,j\in\{1,...,n\}$, then $A$ is not invertible. Does the statement hold also when $n$ is even?

Inverse of this matrix with trigonometric functions

Prove that $T$ is invertible if $(T\circ T)+T −2I_V = 0$

Obtaining Laurent series of 1/f(z) given the laurent series of f(z).

Such thing as inverse/undo "search" or "filter" operator

How to solve the problem "A large room contains two speakers that are 3 meters apart …"?

Invertible matrices with integer entries has to be permutation matrices

Why doesn't the least squares equation simplify?

Prove that if $\Vert{Qx}\Vert = \Vert{x}\Vert$ then $Q^{-1} = Q^{t}$

How to find solution to equation A + modinv(A,n) mod n == -1

Show that E_n - λN is invertible for every λ∈K and determine (E_n - λN)^-1

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