List questions from vector-spaces | MathQa

Show that $f(0)=f(-1)$ is a subspace

Published on 26 Dec 2024 - 12:35

$a*x=0$ implies $x=0$ for all scalars $a$ and vectors $x$.

Published on 02 Jan 2025 - 13:27

Vector space simple propertie

Published on 12 Jan 2025 - 18:26

Is the row space of a matrix (order n by m, m < n) of full column rank equal to $\mathbb{R}^m$?

Published on 12 Jan 2025 - 8:30

orthonormal basis question - linear algebra

Published on 26 Dec 2024 - 11:23

Expressing a Vector in a new Basis

Published on 28 Dec 2024 - 7:28

Linear Algebra: Let $w=[1,2,3]_{L_1}$. Find the coordinates of w with respect to $L$ directly and by using $P^{-1}$

Published on 25 Dec 2024 - 20:50

Direct sum counterexample

Published on 12 Jan 2025 - 17:49

Prove $(\sum\limits_k a_k b_k)^2 \leq \sum\limits_k b_k a_k^2 \sum\limits_k b_k$ using Cauchy Schwarz

Published on 12 Jan 2025 - 8:32

Proving that $\dim(U ⊕ W ) = \dim U + \dim W$

Published on 30 Dec 2024 - 19:48