Per Christian Hansen
- Research › Journal article
- Published
Smoothing-Norm Preconditioning for Regularizing Minimum-Residual Methods. / Hansen, Per Christian; Jensen, Toke Koldborg.
In: SIAM journal on matrix analysis and applications, Vol. 29, No. 1, 2006, p. 1-14.Publication: Research - peer-review › Journal article – Annual report year: 2006
- Published
Solving sparse linear least squares problems on some supercomputers by using large dense blocks. / Hansen, Per Christian; Ostromsky, T; Sameh, A; Zlatev, Z.
In: BIT, Vol. 37, No. 3, 1997, p. 535-558.Publication: Research - peer-review › Journal article – Annual report year: 1997
- Published
Stabilization by Perturbation of a 4n^2 Toeplitz Solver. / Hansen, Per Christian; Yalamov, P. Y.
In: SIAM Journal on Matrix Analysis and Applications, 2000, p. 849-867.Publication: Research - peer-review › Journal article – Annual report year: 2000
- Published
Subspace-Based Noise Reduction for Speech Signals via Diagonal and Triangular Matrix Decompositions : Survey and Analysis. / Hansen, Per Christian; Jensen, Søren Holdt.
In: EURASIP Journal on Advances in Signal Processing, Vol. 2007, 2007, p. 092953.Publication: Research - peer-review › Journal article – Annual report year: 2007
- Published
Suppression of reflections by directive probes in spherical near-field measurements. / Hansen, Per Christian; Larsen, Flemming H.
In: I E E E Transactions on Antennas and Propagation, Vol. 32, No. 2, 1984, p. 119-125.Publication: Research - peer-review › Journal article – Annual report year: 1984
- Published
Subscpace preconditioned LSQR for discrete ill-posed problems. / Jacobsen, Michael; Hansen, Per Christian; Saunders, Michael A.
In: BIT Numerical Mathematics, Vol. 43, No. suppl., 2003, p. 975-989.Publication: Research - peer-review › Journal article – Annual report year: 2003
- Published
Implementation of an optimal first-order method for strongly convex total variation regularization. / Jensen, Tobias Lindstrøm; Jørgensen, Jakob Heide; Hansen, Per Christian; Jensen, Søren Holdt.
In: Bit (Lisse), Vol. 52, No. 2, 2012, p. 329–356.Publication: Research - peer-review › Journal article – Annual report year: 2011
- Published
Iterative Regularization with Minimum-Residual Methods. / Jensen, Toke Koldborg; Hansen, Per Christian.
In: BIT Numerical Mathematics, Vol. 47, No. 1, 2007, p. 103-120.Publication: Research - peer-review › Journal article – Annual report year: 2007
- Submitted
Quantitative study of undersampled recoverability for sparse images in computed tomography. / Jørgensen, Jakob Heide; Sidky, Emil Y.; Hansen, Per Christian; Pan, Xiaochuan.
In: S I A M Journal on Scientific Computing, 2012.Publication: Research - peer-review › Journal article – Annual report year: 2012
- Published
A projection-based approach to general-form Tikhonov regularization. / Kilmer, Misha E.; Hansen, Per Christian; Espanol, Malena I.
In: S I A M Journal on Scientific Computing, Vol. 29, No. 1, 2007, p. 315-330.Publication: Research - peer-review › Journal article – Annual report year: 2007