Simple square smoothing regularization operators.
Fast Solution Methods for Fredholm Integral Equations of the Second Kind.
The Ordering of Tridiagonal Matrices in the Cyclic Reduction Method for Poisson's Equation.
A Stable Richardson Iteration Method for Complex Linear Systems.
On the choice of subspace for iterative methods for linear discrete ill-posed problems
Many iterative methods for the solution of linear discrete ill-posed problems with a large matrix require the computed approximate solutions to be orthogonal to the null space of the matrix. We show that when the desired solution is not smooth, it may be possible to determine meaningful approximate solutions with less computational work by not imposing this orthogonality condition.
Page 1