List questions from inner-products

Published on 12 Apr 2026 - 21:22

114

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How do different inner products give different angles?

Published on 08 Apr 2026 - 16:43

2k

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Distance of a matrix from the orthogonal group

Published on 20 Apr 2026 - 11:51

1.3k

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$A^{\perp\perp}=A$ for a closed subspace $A$

Published on 20 Apr 2026 - 11:43

412

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Intersection of a line and a hyperplane in general

Published on 04 Mar 2026 - 12:05

149

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Complex Inner Product Space always zero

Published on 14 Apr 2026 - 16:14

2.2k

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When is a halfspace a subset of another halfspace?

Published on 07 Mar 2026 - 4:36

392

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Find the number of interior points of this subspace of $l^2$.

Published on 18 Apr 2026 - 18:34

95

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Is it possible to define an inner product to an arbitrary field?

Published on 09 Apr 2026 - 8:35

667

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Dot product with which polynomial gives evaluation at $x_0$?

Published on 13 Apr 2026 - 16:39

1.7k

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Example of complete orthonormal set in an inner product space whose span is not dense

Published on 14 Apr 2026 - 20:52

536

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Demonstration of Cauchy-Schwarz inequality using Minkovski inequality

Published on 16 Apr 2026 - 8:57

47

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Given a functional f, how do you find a v such that f(x) = (x,v)?

Published on 15 Apr 2026 - 4:47

1.3k

Views

Characteristic polynomial of adjoint

Published on 09 Mar 2026 - 5:52

190

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Identify $\bigwedge^{N-1}V$ with $V$

Published on 28 Mar 2026 - 12:55

List Question

Find angle between 2 vectors (inner products)

How do different inner products give different angles?

Distance of a matrix from the orthogonal group

$A^{\perp\perp}=A$ for a closed subspace $A$

Intersection of a line and a hyperplane in general

Complex Inner Product Space always zero

When is a halfspace a subset of another halfspace?

Find the number of interior points of this subspace of $l^2$.

Is it possible to define an inner product to an arbitrary field?

Dot product with which polynomial gives evaluation at $x_0$?

Example of complete orthonormal set in an inner product space whose span is not dense

Demonstration of Cauchy-Schwarz inequality using Minkovski inequality

Given a functional f, how do you find a v such that f(x) = (x,v)?

Characteristic polynomial of adjoint

Identify $\bigwedge^{N-1}V$ with $V$

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