List questions from inner-products

Published on 15 Apr 2026 - 16:07

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On a function from a group with values lying in an inner product space

Published on 15 Apr 2026 - 6:02

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Friedberg book on linear algebra theorem 6.6

Published on 13 Apr 2026 - 21:43

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How to find an orthonormal basis for $ P_{2}(\mathbb R)$ equipped with the inner product $\langle f,g\rangle =f(-1)g(-1)+f(0)g(0)+f(1)g(1)$?

Published on 16 Apr 2026 - 1:56

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Inner product of vector spaces property proof: $\langle A^tA v, v\rangle = \langle\lambda ^2 v, v\rangle$?

Published on 16 Apr 2026 - 10:51

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Prove that $\langle AA^t v, v\rangle = \langle A^t v, A^t v\rangle $

Published on 14 Apr 2026 - 16:23

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Is $\sum_i x_i \sum_j y_j$ a valid inner product for $\mathbb{R}^n$?

Published on 14 Apr 2026 - 15:28

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Not your typical triple scalar product

Published on 14 Apr 2026 - 1:58

645

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Prove that $T^2+bT+cI$ is invertible.

Published on 16 Apr 2026 - 8:42

40

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Geometric interpretation of inner product of two matrices

Published on 10 Apr 2026 - 16:36

430

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A map which commutes with Hodge dual is conformal?

Published on 13 Apr 2026 - 7:50

28

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Why $u(x)\cdot ri(x)=0$?

Published on 13 Apr 2026 - 20:36

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Prove that $\langle\cdot,\cdot\rangle$ is an inner product on $H.$

Published on 14 Apr 2026 - 19:40

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Bilinear, symmetric function $f(\mathbf x, \mathbf y)$ defines an inner product

Published on 13 Apr 2026 - 4:08

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A-orthogonal projection induced by symmetric matrix

Published on 14 Apr 2026 - 2:11

List Question

Showing there exists a vector u such that $T^T(u) = T^(v)$?

On a function from a group with values lying in an inner product space

Friedberg book on linear algebra theorem 6.6

How to find an orthonormal basis for $ P_{2}(\mathbb R)$ equipped with the inner product $\langle f,g\rangle =f(-1)g(-1)+f(0)g(0)+f(1)g(1)$?

Inner product of vector spaces property proof: $\langle A^tA v, v\rangle = \langle\lambda ^2 v, v\rangle$?

Prove that $\langle AA^t v, v\rangle = \langle A^t v, A^t v\rangle $

Is $\sum_i x_i \sum_j y_j$ a valid inner product for $\mathbb{R}^n$?

Not your typical triple scalar product

Prove that $T^2+bT+cI$ is invertible.

Geometric interpretation of inner product of two matrices

A map which commutes with Hodge dual is conformal?

Why $u(x)\cdot ri(x)=0$?

Prove that $\langle\cdot,\cdot\rangle$ is an inner product on $H.$

Bilinear, symmetric function $f(\mathbf x, \mathbf y)$ defines an inner product

A-orthogonal projection induced by symmetric matrix

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