How does one choose a random isotropic direction and then have the vector have norm 1?
60495
How to generate uniformly distributed points on the surface of the 3-d unit sphere?
22689
Reference for trace/norm inequality
123010
What's the best way of transforming a 2D vector into the closest 8-way compass direction?
27848
How would I randomly pick one point from N points in MATLAB?
87191
How do I exactly project a vector onto a subspace?
58666
How to have a real random pattern?
77913
How can I create a plane using a point and normal vector?
30026
Random weighted choice
60514
Isometric  Left Inverse Adjoint
144357
Choose $\rho$ such that $\rho$-norm minimizes the matrix condition number
119424
How to use Mathematica to prove that isotropic materials have only two independent parameters
111809
Maximizing a linear function over an ellipsoid
93875
"Show" that the direction cosines of a vector satisfies...
17336
Least norm in convex set in Banach space
48435
How to define a skewed normal distribution using mode and two points?
62140
Direction of $d\mathbf{l}$
147560
How-to cast a set of random points on the surface of a cuboid?