Question

How can I prove that a vector minus its average belongs to the orthogonal space C(1)?

score 49 · Answer 1 · 2018-06-09 22:23:08

49

Views

How can I prove that a vector minus its average belongs to the orthogonal space C(1)?

Published on 09 Jun 2018 - 22:23

score 86 · Answer 2 · 2018-06-10 12:56:33

86

Views

What's the geometry of $|r - r_1| + |r - r_2| = k$ where $k > |r_1 - r_2|$ in $2$ dimensions?

Published on 10 Jun 2018 - 12:56

score 897 · Answer 3 · 2026-03-25 01:25:37

897

Views

Calculating magnitude for unit tangent vector

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score 41 · Answer 4 · 2026-03-27 05:58:10

41

Views

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Published on 27 Mar 2026 - 5:58

score 428 · Answer 5 · 2018-06-11 13:11:53

428

Views

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score 1.8k · Answer 6 · 2026-03-25 17:26:32

1.8k

Views

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Published on 25 Mar 2026 - 17:26

score 93 · Answer 7 · 2026-03-25 09:08:03

93

Views

confusion with chain rule - derivative of scalar by vector

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score 26 · Answer 8 · 2026-03-27 07:35:36

26

Views

Is it possible to find the unitary matrix in the following case?

Published on 27 Mar 2026 - 7:35

score 726 · Answer 9 · 2018-06-12 16:14:13

726

Views

3D vector projection

Published on 12 Jun 2018 - 16:14

score 50 · Answer 10 · 2018-06-12 19:12:25

50

Views

Prove that if $\vec{x} \in \operatorname{Null}(A^TA)$ then $\vec{x} \in \operatorname{Null}(A).$

Published on 12 Jun 2018 - 19:12

score 32 · Answer 11 · 2026-03-27 07:37:20

32

Views

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Published on 27 Mar 2026 - 7:37

score 36 · Answer 12 · 2018-06-14 01:17:10

36

Views

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Published on 14 Jun 2018 - 1:17

score 28 · Answer 13 · 2026-03-27 07:37:26

28

Views

How to prove the following result for complex vectors?

Published on 27 Mar 2026 - 7:37

score 83 · Answer 14 · 2026-03-26 20:39:52

83

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Published on 26 Mar 2026 - 20:39

score 251 · Answer 15 · 2026-03-25 13:13:31

251

Views

Interptetation of origo-independent vectors in a coordinate system

Published on 25 Mar 2026 - 13:13

List Question

How can I prove that a vector minus its average belongs to the orthogonal space C(1)?

What's the geometry of $|r - r_1| + |r - r_2| = k$ where $k > |r_1 - r_2|$ in $2$ dimensions?

Calculating magnitude for unit tangent vector

How to show that following is a solution of the optimization problem?

Packing a triangle full of circles

Derivative of exponential function wrt a vector

confusion with chain rule - derivative of scalar by vector

Is it possible to find the unitary matrix in the following case?

3D vector projection

Prove that if $\vec{x} \in \operatorname{Null}(A^TA)$ then $\vec{x} \in \operatorname{Null}(A).$

How to find a lower bound for the following function? (Is the following lower bound correct?)

Vector-Valued Functions

How to prove the following result for complex vectors?

How to show that following relation is true for matrix multiplication?

Interptetation of origo-independent vectors in a coordinate system

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