Question

Projection of $\mathbf{X}$ in the direction of $\mathbf{a}$: $\mathbf{a}^T \mathbf{X} = \sum_{j = 1}^d a_j X_j$

score 56 · Answer 1 · 2026-04-16 03:27:46

56

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Projection of $\mathbf{X}$ in the direction of $\mathbf{a}$: $\mathbf{a}^T \mathbf{X} = \sum_{j = 1}^d a_j X_j$

Published on 16 Apr 2026 - 3:27

score 31 · Answer 2 · 2026-04-08 23:44:47

31

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Parallel planes: lack of intuiton

Published on 08 Apr 2026 - 23:44

score 75 · Answer 3 · 2026-04-13 13:07:06

75

Views

Dot product terminology

Published on 13 Apr 2026 - 13:07

score 93 · Answer 4 · 2026-04-14 12:17:23

93

Views

Can we turn $\mathfrak{X}(M)$ into a Hilbert Space/ Inner product space

Published on 14 Apr 2026 - 12:17

score 879 · Answer 5 · 2026-04-14 03:20:20

879

Views

Show that every eigenvalue to a unitary operator has absolute value 1

Published on 14 Apr 2026 - 3:20

score 43 · Answer 6 · 2026-04-09 11:36:37

43

Views

How did they obtain $15-15i$

Published on 09 Apr 2026 - 11:36

score 32 · Answer 7 · 2026-04-12 02:48:11

32

Views

Inner product formula used by numpy.dot

Published on 12 Apr 2026 - 2:48

score 56 · Answer 8 · 2026-04-15 09:34:53

56

Views

Prove that the derivative of a vector with constant module is perpendicular

Published on 15 Apr 2026 - 9:34

score 39 · Answer 9 · 2026-04-13 04:43:37

39

Views

Name of generalised inner product

Published on 13 Apr 2026 - 4:43

score 100 · Answer 10 · 2026-04-14 12:45:01

100

Views

How to expand $\langle \textbf{x}-\textbf{y},\textbf{x}-\textbf{y}\rangle$ using the Cauchy–Schwarz inequality

Published on 14 Apr 2026 - 12:45

score 28 · Answer 11 · 2026-04-15 14:50:08

28

Views

If $\mathbf{e}_1\wedge\mathbf{e}_2=\sqrt{|g|}\gamma_1 \wedge\gamma_2$, what is $\mathbf{e}_1$ in terms of $\gamma_1$, $\gamma_2$ and $g$?

Published on 15 Apr 2026 - 14:50

score 26 · Answer 12 · 2026-04-15 23:23:24

26

Views

The dot product in the room (third dimension) equal to the axies-values of the two vectors.

Published on 15 Apr 2026 - 23:23

score 48 · Answer 13 · 2026-05-02 09:33:33

48

Views

Simplifying an algorithm with matrix algebra.

Published on 02 May 2026 - 9:33

score 34 · Answer 14 · 2026-04-14 10:11:11

34

Views

Reference pn bilinear forms

Published on 14 Apr 2026 - 10:11

score 24 · Answer 15 · 2026-04-13 09:25:19

24

Views

sufficient and necessary conditions for some sign function based on inner product

Published on 13 Apr 2026 - 9:25

List Question

Projection of $\mathbf{X}$ in the direction of $\mathbf{a}$: $\mathbf{a}^T \mathbf{X} = \sum_{j = 1}^d a_j X_j$

Parallel planes: lack of intuiton

Dot product terminology

Can we turn $\mathfrak{X}(M)$ into a Hilbert Space/ Inner product space

Show that every eigenvalue to a unitary operator has absolute value 1

How did they obtain $15-15i$

Inner product formula used by numpy.dot

Prove that the derivative of a vector with constant module is perpendicular

Name of generalised inner product

How to expand $\langle \textbf{x}-\textbf{y},\textbf{x}-\textbf{y}\rangle$ using the Cauchy–Schwarz inequality

If $\mathbf{e}_1\wedge\mathbf{e}_2=\sqrt{|g|}\gamma_1 \wedge\gamma_2$, what is $\mathbf{e}_1$ in terms of $\gamma_1$, $\gamma_2$ and $g$?

The dot product in the room (third dimension) equal to the axies-values of the two vectors.

Simplifying an algorithm with matrix algebra.

Reference pn bilinear forms

sufficient and necessary conditions for some sign function based on inner product

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