closed-form solution for summed squared error of $n\times n$-grid points to center of gravity
131708
Sum of powers of natural numbers
135217
Least squares fit of a bivariate quadratic-linear product to an oriented point set
82056
Quadrilateral problem with midpoints of diagonals
129454
Solution to a quadratic form
112428
Existence of least squares solution to $Ax=b$
35571
Euler Rotations in Ordinary Space
27637
How can I apply Newton's sums to solve this problem?
61542
conversion of laplacian from cartesian to spherical coordinates
21065
Bordered Hessian matrix to find a minimum of the function
62620
GridLines for a coordinate system with a particular basis
32350
Compilation of proofs for the summation of natural squares and cubes
377
Problem involving many squares and several variables.
69031
Square of angular momentum operator in spherical coordinates
94902
Simplifying a geometric sum
81748
Arc length parameterization lying on a sphere
137109
Evaluating a summation of inverse squares over odd indices
9905
Why is the approximation of Hessian$= J^TJ$ reasonable?