New posts in Orthonormal

How to impose orthonormality constraints by method of Lagrange multipliers

How would the most general $2 \times 2$ normal matrix look like?

Are polynomials dense is L2 of the unit disk?

Explicit Countable Orthonormal Basis for $L^2(\mathbb{R})$

What is the geometric interpretation of the rowspace?

The need for the Gram–Schmidt process

How is the study of wavelets not just a special case of Fourier analysis?

For an orthogonal matrix $Q$, why does $QQ^T = I$?

How many orthogonal matrices are there

$A$ is a symmetric real matrix. Show that there is $B$ such that $B^3=A$