• LSQR

  • Referenced in 410 articles [sw00530]
  • LSQR: Sparse Linear Equations and Least Squares Problems. An iterative method is given for solving ... standard errors for x and the condition number of A. These are used ... most reliable algorithm when A is ill-conditioned...
  • ForWaRD

  • Referenced in 55 articles [sw12296]
  • ForWaRD is applicable to all ill-conditioned deconvolution problems, unlike the purely wavelet-based wavelet...
  • RICPAC

  • Referenced in 65 articles [sw15253]
  • certain associated Hamiltonian or symplectic generalized eigenvalue problems. Utilizing an embedding technique, the package also ... covariance matrices are singular or ill-conditioned with respect to inversion. Cross-weighting or correlated ... Ward’s balancing for the generalized eigenvalue problem are available to improve condition and accuracy...
  • csminwel

  • Referenced in 3 articles [sw05280]
  • other numerical derivative on large or ill-conditioned problems. bfgsi: The BFGS update...
  • CMA-ES

  • Referenced in 124 articles [sw05063]
  • linear or non-convex continuous optimization problems. They belong to the class of evolutionary algorithms ... useful, if the function f is ill-conditioned. Adaptation of the covariance matrix amounts...
  • OPECgen

  • Referenced in 20 articles [sw13463]
  • quadratic MPEC, that is an optimization problem whose objective function is quadratic, first-level constraints ... ill-conditioning, convexity of the objective, monotonicity and symmetry of the second-level problem...
  • CTA

  • Referenced in 2 articles [sw09373]
  • given robust results, especially for ill-conditioned problems and the CTA package compares very favourably...
  • pathampl

  • Referenced in 1 article [sw05080]
  • near the solution or the problem is ill-conditioned or singular. In this paper ... model that can be used to identify problem areas and improve formulation. Descriptions and uses...
  • csg

  • Referenced in 1 article [sw36363]
  • applied to the inversion of ill-conditioned linear problems, in particular for computed tomography with...
  • mngn

  • Referenced in 2 articles [sw38382]
  • norm solution to a nonlinear least-squares problem, as well as the case where ... important applications lead to severely ill-conditioned least-squares problems, we also consider some regularization...
  • randUTV

  • Referenced in 4 articles [sw30518]
  • problems such as low-rank approximation, solving ill-conditioned linear systems, and determining bases...
  • pycma

  • Referenced in 2 articles [sw37047]
  • difficult (non-convex, ill-conditioned, multi-modal, rugged, noisy) optimization problems in continuous search spaces...
  • DIRMIN

  • Referenced in 9 articles [sw36985]
  • approximated explicitly. For the solution of such problems the DIRECT algorithm has been proposed which ... deteriorates as the dimension and the ill-conditioning of the objective function increase. To overcome ... report extensive numerical results both on test problems from the literature and on an application...
  • TESTGO

  • Referenced in 9 articles [sw36990]
  • approximated explicitly. For the solution of such problems the DIRECT algorithm has been proposed which ... deteriorates as the dimension and the ill-conditioning of the objective function increase. To overcome ... report extensive numerical results both on test problems from the literature and on an application...
  • i-RevNet

  • Referenced in 6 articles [sw29632]
  • necessary condition to learn representations that generalize well on complicated problems, such as ImageNet ... because the local inversion is ill-conditioned, we overcome this by providing an explicit inverse...
  • LSMM

  • Referenced in 2 articles [sw07010]
  • varepsilon$ with $K$ being a known ill-conditioned matrix and $varepsilon$ an additive noise term ... model uncertainties. To handle the ill-posedness of such problems, several efficient inversion methods...
  • CholQR

  • Referenced in 12 articles [sw13049]
  • numerically unstable when the matrix is ill-conditioned. To enhance the stability of CholQR ... precision CholQR only depends linearly on the condition number of the input matrix. We provide ... equations and for solving a symmetric eigenvalue problem, on a multicore CPU with multiple GPUs...
  • AMD

  • Referenced in 61 articles [sw00039]
  • Algorithm 837: AMD is a set of routines...
  • ARMS

  • Referenced in 68 articles [sw00048]
  • ARMS: an algebraic recursive multilevel solver for general...