May 6, 2015 · The meaning of various equality symbols Ask Question Asked 10 years, 2 months ago Modified 9 years, 2 months ago

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 …

In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical …

You'll need to complete a few actions and gain 15 reputation points before being able to upvote. Upvoting indicates when questions and answers are useful. What's reputation and how do I …

I understand that when a series diverges, y doesn't approach 0 when x approaches infinity, and converging series do. But what does this say? I just want to understand some applications. …

I am currently learning about the concept of convolution between two functions in my university course. The course notes are vague about what convolution is, so I was wondering if anyone …

The real numbers R R is an example of a field, a space where you can add, subtract, multiply and divide elements. In addition, R R is an example of an ordered field, i.e. for any a, b ∈ R a, b ∈ …

May 17, 2020 · The author is just using y~ y as the name of a quantity. We tend to run out of letters in math, you know. This is kind of like asking what x x means. It's just a name we use …

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 …

Oct 27, 2015 · What is the meaning of the symbols Sxx S x x and Sxy S x y in simple linear regression? I know the formula but what is the meaning of those symbols?