New posts in linear-transformations

Rotated coordinates on a unit sphere

Show that the dual space of the vector space of all polynomials is isomorphic to the infinite-dimensional Euclidean vector space over the reals

If $\ker f\subset \ker g$ where $f,g $ are non-zero linear functionals then show that $f=cg$ for some $c\in F$.

What is the formulation of linear transform from $\mathbb{R}^{m \times n} \to \mathbb{R}^{p}$

Direct sum and determinant

Calculus Integration Based Proof that the Volume of a Parallelepiped spanned by $\{v_1, \ldots, v_n\}$ is $\text{det}(v_1, \ldots, v_n)$?

Proving isomorphism between linear maps and matrices

Is self-adjointness really a property of an operator, or of an operator and an inner product?

On two special kind of invertible similar matrices with rational entries

$T$ is bounded iff $T^{-1}(\{0\})$ is closed [duplicate]

Graphing $f(2-x)$

Exact same solutions implies same row-reduced echelon form?

Is a function which preserves zero and affine lines necessarily linear?

Are inner product-preserving maps always linear?

How to determine for the image room [closed]

Domain and Co-domain of a linear transformation not defined over the same Field

How can you prove a matrix has the same eigenvalues as its transpose without using determinants?

Is the number of linearly independent rows equal to the number of linearly independent columns?

Every subspace of the dual of a finite-dimensional vector space is an annihilator

Do full rank matrices in $\mathbb Z^{d\times d}$ preserve integrals of functions on the torus?