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15
68
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Projection onto a subspace of $\mathbb{R}^n$

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#linear-algebra #inner-products
49
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Unknown Dot notation for vector functions regarding waves across a surface.

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#notation #vectors #inner-products
58
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Why does conjugating one of the complex vectors in the inner product, still give the correct dot product?

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#linear-algebra #geometry #complex-numbers #inner-products
26
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Generalising relation between hypotenuse and other side of right angled triangle in arbitrary vector space

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#linear-algebra #normed-spaces #triangles #inner-products #orthogonality
45
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Proving that this is a convex set

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#real-analysis #convex-analysis #inner-products
23
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If Dot product of $\mathbf{a}(t)$ and derivative of $\mathbf{b}(t)$ is negative implies dot product itself is negative with some conditions.

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#real-analysis #geometry #inequality #vectors #inner-products
20
Views

Help Needed: Proving Equivalence of Inner Product and Parallelogram Law

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#functional-analysis #normed-spaces #inner-products
25
Views

Inner Product of Error Vector and Residual Vector

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#linear-algebra #vectors #inner-products #numerical-linear-algebra
33
Views

Transforming a sesquilinear form into an inner product?

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#functional-analysis #analysis #inner-products
42
Views

Hilbert Spaces from Dagger Categories

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#category-theory #hilbert-spaces #inner-products #monoidal-categories #dagger-categories
30
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Find the signature of a reflection.

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#linear-algebra #linear-transformations #inner-products #orthogonality #reflection
16
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Intuition of the relation between the fourier transfer and inner product of functions

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#inner-products #fourier-transform
36
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Finding vector equation of a line

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#vector-spaces #inner-products #coordinate-systems #cross-product
42
Views

An example of non-strictly positive-definite inner product

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#linear-algebra #vector-spaces #inner-products
50
Views

Are $\operatorname{Tr}(AB)$ and $\operatorname{Tr}(AB^T)$ bilinear forms? inner products?

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#abstract-algebra #matrices #inner-products #trace #bilinear-form

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