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  /external/ceres-solver/internal/ceres/
levenberg_marquardt_strategy.h 77 Vector diagonal_; // diagonal_ = diag(J'J) member in class:ceres::internal::LevenbergMarquardtStrategy
78 // Scaled copy of diagonal_. Stored here as optimization to prevent
81 Vector lm_diagonal_; // lm_diagonal_ = diagonal_ / radius_;
levenberg_marquardt_strategy.cc 76 if (diagonal_.rows() != num_parameters) {
77 diagonal_.resize(num_parameters, 1);
80 jacobian->SquaredColumnNorm(diagonal_.data());
82 diagonal_[i] = min(max(diagonal_[i], min_diagonal_), max_diagonal_);
86 lm_diagonal_ = (diagonal_ / radius_).array().sqrt();
dogleg_strategy.cc 109 if (diagonal_.rows() != n) {
110 diagonal_.resize(n, 1);
121 jacobian->SquaredColumnNorm(diagonal_.data());
123 diagonal_[i] = min(max(diagonal_[i], min_diagonal_), max_diagonal_);
125 diagonal_ = diagonal_.array().sqrt();
165 // diagonal scaling matrix D defined by sqrt(diagonal_).
176 gradient_.array() /= diagonal_.array();
188 (gradient_.array() / diagonal_.array()).matrix()
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levenberg_marquardt_strategy_test.cc 58 diagonal_(diagonal) {
71 EXPECT_NEAR(per_solve_options.D[i], diagonal_[i], kTolerance)
72 << i << " " << per_solve_options.D[i] << " " << diagonal_[i];
78 const double* diagonal_; member in class:ceres::internal::RegularizationCheckingLinearSolver
dogleg_strategy.h 119 Vector diagonal_; // sqrt(diag(J^T J)) member in class:ceres::internal::DoglegStrategy
  /external/opencv3/3rdparty/openexr/Imath/
ImathMatrixAlgo.cpp 700 if (absTol != 0) // _off-diagonal_ entry.
798 if (absTol != 0) // _off-diagonal_ entry.
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