
matrices - What exactly is a basis in linear algebra? - Mathematics ...
11 What is a basis? Informally we say A basis is a set of vectors that generates all elements of the vector space and the vectors in the set are linearly independent. This is what we mean when …
linear algebra - Understanding the difference between Span and …
Here is a lecture from Gilbert Strang (MIT) about Span and Basis. His explanation is very good, so posting the video here instead of instead of answering it again. All the sessions around Linear …
linear algebra - What exactly is standard basis? - Mathematics …
Aug 14, 2013 · The standard basis is the unique basis on $\mathbb R^n$ for which these two kinds of coordinates are the same. Edit: Other concrete vector spaces, such as the space of …
linear algebra - What is an ordered basis? - Mathematics Stack …
Jun 18, 2013 · A basis is a set of vectors that spans a vector space (or vector subspace), each vector inside can be written as a linear combination of the basis, the scalars multiplying each …
linear algebra - Difference between span and basis - Mathematics …
Nov 17, 2013 · What is the difference between the span of the image of a matrix and the basis for the span of the image of a matrix? Are these the same thing?
linear algebra - Definition of basis in infinite dimensional vector ...
Aug 26, 2024 · It has the (monomial) basis $$ \ { 1,\; X,\; X^2,\; X^3,\; \dots \} $$ which is clearly an infinite set, but any particular polynomial (element of the vector space) has a well-defined …
linear algebra - Finding the basis of a null space - Mathematics …
I am trying to understand why the method used in my linear algebra textbook to find the basis of the null space works. The textbook is 'Elementary Linear Algebra' by Anton. According to the …
linear algebra - How should we understand change of the basis …
Dec 11, 2016 · A change-of basis is a certain kind of linear transformation, namely, one is that is bijective. When the "source" and "target" vector spaces are the same one, but represented by …
linear algebra - Basis of the polynomial vector space
Oct 30, 2013 · The simplest possible basis is the monomial basis: $\ {1,x,x^2,x^3,\ldots,x^n\}$. Recall the definition of a basis. The key property is that some linear combination of basis …
What exactly is a basis function? - Mathematics Stack Exchange
Apr 24, 2019 · The basis functions are the constant function $1$, $\cos (nt)$, and $\sin (nt)$. This is exactly the sense of a basis in linear algebra. It is a linearly independent set that spans the …