List questions from inner-products

Published on 16 Apr 2026 - 10:03

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Prob. 6, Sec. 3.3, in Kreyszig's Functional Analysis Book: What is $Y^\perp$ if $Y = \ldots \subset \ell^2$?

Published on 13 Apr 2026 - 9:00

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Relationship between Unitary Matrices and Hermitian Inner Products

Published on 11 Apr 2026 - 10:47

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Maximizing an inner product

Published on 13 Apr 2026 - 18:41

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if $T$ is normal then $\text{range} \ T = \text{range} \ T^*$

Published on 16 Apr 2026 - 1:14

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Example of a surjective transformation that maps to the complement of the span of a known set of functions

Published on 12 Apr 2026 - 23:32

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A minimum of a function in a normed space with inner product

Published on 13 Apr 2026 - 8:50

386

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Prob. 10, Sec. 3.5, in Kreyszig's Functional Analysis: How to show that this set is at most countable?

Published on 13 Apr 2026 - 0:19

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Prove $T$ commutes with $S^*$

Published on 14 Apr 2026 - 9:24

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Trace of a linear map

Published on 10 Apr 2026 - 20:44

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Finding adjoint operator $\mathbb R_2[x] \to \mathbb R$

Published on 09 Apr 2026 - 19:12

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How to check if something belongs to an euclidian space

Published on 10 Apr 2026 - 10:08

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Find the orthogonal complement of the subspace of diagonal matrices

Published on 14 Apr 2026 - 21:41

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How to find signature of $\phi(A,B)=tr(AB)$

Published on 11 Apr 2026 - 18:39

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Orthogonal and differentiable wavelet basis for Hilbert Space of $L^2$ complex-functions and weighted inner product

Published on 16 Apr 2026 - 3:21

List Question

Inner Product Space | find $\langle u+2v, u-2v\rangle$

Prob. 6, Sec. 3.3, in Kreyszig's Functional Analysis Book: What is $Y^\perp$ if $Y = \ldots \subset \ell^2$?

Relationship between Unitary Matrices and Hermitian Inner Products

Maximizing an inner product

if $T$ is normal then $\text{range} \ T = \text{range} \ T^*$

Example of a surjective transformation that maps to the complement of the span of a known set of functions

A minimum of a function in a normed space with inner product

Prob. 10, Sec. 3.5, in Kreyszig's Functional Analysis: How to show that this set is at most countable?

Prove $T$ commutes with $S^*$

Trace of a linear map

Finding adjoint operator $\mathbb R_2[x] \to \mathbb R$

How to check if something belongs to an euclidian space

Find the orthogonal complement of the subspace of diagonal matrices

How to find signature of $\phi(A,B)=tr(AB)$

Orthogonal and differentiable wavelet basis for Hilbert Space of $L^2$ complex-functions and weighted inner product

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