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Necessary and sufficient conditions for the existence of a positive definite solution of a nonlinear matrix equation.
Xing Tao Wang
Yuan Min Li
Published in:
Int. J. Comput. Math. (2010)
Keyphrases
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positive definite
covariance matrix
kernel function
kernel matrix
geometric structure
diffusion tensor
structure tensor
kernel methods
symmetric positive definite
kernel machines
machine learning
feature extraction
feature vectors
semi parametric