Vector Formulas (Page 1) / Formulas / Math Is Fun Forum
2005年1月21日 · Vector Formulas. Vector Formulas "The physicists defer only to mathematicians, and the mathematicians ...
vector spaces and subspaces - Math Is Fun Forum
2010年7月17日 · Let V be a vector space and let W be a nonempty subset of V. Then w is a subspace of V if and only if the following conditions hold: a. If u and v are in W, then u + v is in …
Disease Vector (Page 1) / This is Cool / Math Is Fun Forum
2005年6月28日 · Vector-borne zoonotic disease and human activity Several articles, recent to early 2014, warn that human activities are spreading vector-borne zoonotic diseases. Several …
6 feet deep; scalar or vector? (Page 1) / Science HQ / Math Is Fun …
2023年2月24日 · 6 feet is scalar but deep implies a direction ie downwards so that makes it a vector. If you were standing in a trench, 6 feet deep, and you fired an arrow upwards you'd …
Formulas (Page 4) / Math Is Fun Forum
2006年5月7日 · Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
Is velocity ever a scalar quantity? (Page 1) / Help Me ! / Math Is …
2023年2月24日 · But in a Khan Academy question they ask what does the letter v (lower case with no arrow above it, or anything else) stand for, and whether it’s a vector or a scalar. I …
What do vectors in a triangle represent? - mathisfunforum.com
2023年2月24日 · A vector in the form of a line segment has magnitude (the length of the line segment) and direction (going from its tail to its head). We can represent this using a column …
calculating normal vector from equation for a shape (Page 1) / …
2005年8月29日 · We have two partial derivatives here, so for our arbitrary parameter values, we will get two tangent vectors. This is a good thing, since from basic vector analysis, we know …
tangent plane/normal vector (Page 1) / Help Me ! / Math Is Fun …
2009年2月24日 · Hi, I'm working through Schaums outlines linear algebra, and one of the excercises from the first chapter asks to find the normal vector and tnagent plane H to the …
My Final Vector/Polygon Question - Math Is Fun Forum
2017年3月18日 · Prove that $\ell_{ABC}, \ell_{BCD}, \ell_{CDE},\ell_{DEA}$ and $\ell_{EAB}$ are concurrent, and find the expression for the position vector of the point they all go through. This …