
notation - What does := mean? - Mathematics Stack Exchange
Mar 5, 2011 · What does := mean? where we are saying that the two sides are equal, but we are not defining "1" to be the expression " sin2(θ)+cos2(θ) sin 2 (θ) + cos 2 (θ) ". Basically, some people …
The meaning of various equality symbols - Mathematics Stack Exchange
May 6, 2015 · The meaning of various equality symbols Ask Question Asked 10 years, 8 months ago Modified 9 years, 8 months ago
What is the meaning of ⊊? - Mathematics Stack Exchange
Dec 22, 2020 · I have encountered this when referencing subsets and vector subspaces. For example, T ⊊ span(S) should mean that T is smaller than span(S)--at least from what I've gathered. Is ⊊ a sort of …
Textbook Notation: Meaning of cf. - Mathematics Stack Exchange
Jul 1, 2022 · Textbook Notation: Meaning of cf. [closed] Ask Question Asked 3 years, 6 months ago Modified 3 years, 6 months ago
Three dot ∴ symbol meaning - Mathematics Stack Exchange
Mar 3, 2019 · Whats the meaning of this symbol? Its a three dot symbol: ∴ I read a book, im could not find any definition of this symbol. This is about continuum property of the natural numbers and the …
Difference between Perpendicular, Orthogonal and Normal
Aug 26, 2017 · It seems like perpendicular and normal would not have a nice meaning whereas orthogonal would as it is defined in terms of the dot product. Can someone give me a detailed …
analysis - Meaning of the backslash operator on sets - Mathematics ...
Dec 26, 2014 · I am self-studying analysis and ran across this: $\\mathbb R \\setminus \\mathbb N$ is an open subset of $\\mathbb R$ My best guess for interpretation was this: the set $\\mathbb R …
What's the meaning of - Mathematics Stack Exchange
May 17, 2020 · In Linear Algebra by Liesen, J. and Mehrmann, V., the following notation is used: This chapter is about Maps in Set Theory. The authors explain the meaning of each symbol, nevertheless, …
algorithms - Meaning of “arg min” - Mathematics Stack Exchange
Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, …
Geometrical meaning of double points (or fat points)
May 29, 2022 · However, I have yet to understand the geometrical meaning described on the Gathman's lecture, espeically, " infinitesimally " in one direction. Obviously, it is impossible that the double point …