Lines Matching full:trust
117 // elliptical trust region
160 // The trust region is assumed to be elliptical with the
163 // The trust region for step' is spherical.
189 // The dogleg step is defined as the intersection of the trust region
193 // within the trust region.
197 // Case 1. The Gauss-Newton step lies inside the trust region, and
198 // is therefore the optimal solution to the trust-region problem.
211 // the trust region. Rescale the Cauchy point to the trust region
222 // Case 3. The Cauchy point is inside the trust region and the
224 // points and the point on it which intersects the trust region
257 // where r is the trust region radius and B is the matrix with unit columns
260 // therefore taken if it lies within the trust region.
264 // The Gauss-Newton point is inside the trust region if |GN| <= radius_.
284 // The optimum lies on the boundary of the trust region. The above problem
304 // In this case, we move along the gradient until we reach the trust
327 // the trust region), or
458 // where B is an orthonormal subspace basis and r is the trust-region radius.
493 // Not all roots correspond to points on the trust region boundary.
496 // them onto the trust region boundary.
524 // it by a small constant (independent of the trust region radius).
548 // The right way to combine inexact solves with trust region
576 LOG(ERROR) << "Unable to dump trust region problem."
658 // along the gradient until we reach the trust region boundary.
