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An Optimal Positive Definite Update for Sparse Hessian Matrices.
Roger Fletcher
Published in:
SIAM J. Optim. (1995)
Keyphrases
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positive definite
kernel function
covariance matrix
geometric structure
symmetric positive definite
diffusion tensor
kernel matrix
symmetric matrices
sufficient conditions
kernel machines
special case
support vector machine
machine learning
high dimensional
sparse coding