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Searched refs:companion_matrix (Results 1 – 1 of 1) sorted by relevance

/external/ceres-solver/internal/ceres/
Dpolynomial.cc53 Matrix& companion_matrix = *companion_matrix_ptr; in BalanceCompanionMatrix() local
54 Matrix companion_matrix_offdiagonal = companion_matrix; in BalanceCompanionMatrix()
57 const int degree = companion_matrix.rows(); in BalanceCompanionMatrix()
97 companion_matrix_offdiagonal.diagonal() = companion_matrix.diagonal(); in BalanceCompanionMatrix()
98 companion_matrix = companion_matrix_offdiagonal; in BalanceCompanionMatrix()
99 VLOG(3) << "Balanced companion matrix is\n" << companion_matrix; in BalanceCompanionMatrix()
105 Matrix& companion_matrix = *companion_matrix_ptr; in BuildCompanionMatrix() local
109 companion_matrix.resize(degree, degree); in BuildCompanionMatrix()
110 companion_matrix.setZero(); in BuildCompanionMatrix()
111 companion_matrix.diagonal(-1).setOnes(); in BuildCompanionMatrix()
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