Question

Is there a variant of the dot-product operation that returns $\frac{a_1}{b_1} + \frac{a_2}{b_2}$ from vectors $[a_1,a_2]$ and $[b_1, b_2]$?

score 15.7k · Answer 1 · 2019-01-23 22:46:34

15.7k

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Is there a variant of the dot-product operation that returns $\frac{a_1}{b_1} + \frac{a_2}{b_2}$ from vectors $[a_1,a_2]$ and $[b_1, b_2]$?

Published on 23 Jan 2019 - 22:46

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317

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933

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655

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54

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What is the relation between $\lVert{Hp}\rVert^2$ and $\lVert{H}\rVert$ when $Hp\ne0$ and $\lVert{p}\rVert = 1$?

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5.2k

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List Question

Is there a variant of the dot-product operation that returns $\frac{a_1}{b_1} + \frac{a_2}{b_2}$ from vectors $[a_1,a_2]$ and $[b_1, b_2]$?

A vector perpendicular on OZ axis and makes 45 degree angle with pozitive OX

Vector geometry involving parallel vectors

Geometry with triangle ABC

Why is the vector $(I-A)^{-1}x$ positive?

Maximum number of unit vectors with bounded pairwise dot products

Is there a possible geometric method to find length of this equilateral triangle?

Vector position question

Is there an analog of the Law of Cosines that applies to polyhedra?

Sum of parallel and perpendicular vectors

Shortest distance between two objects

What is the relation between $\lVert{Hp}\rVert^2$ and $\lVert{H}\rVert$ when $Hp\ne0$ and $\lVert{p}\rVert = 1$?

find vector equation of a hyperplane in $\mathbb R^4$ from scalar equation

Direct sum in physics

Is $\mathbb{Q}^n$ a vector space over $\mathbb{Z}$ or $\mathbb{Q}$?

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