Matrix-vector multiplication and triangular linear solver using GPGPU for symmetric positive definite matrices derived from elliptic equations.
Thiago de Castro MartinsJacqueline de Miranda KianAndré Kubagawa SatoMarcos de Sales Guerra TsuzukiPublished in: SCIS&ISIS (2012)
Keyphrases
- symmetric positive definite matrices
- vector space
- matrix valued
- valued data
- square root
- linear systems
- floating point
- numerical solution
- log euclidean
- finite dimensional
- numerical methods
- vector valued
- riemannian metric
- covariance matrices
- similarity search
- feature vectors
- affine invariant
- feature extraction
- order statistics
- riemannian manifolds
- differential equations
- covariance matrix
- fisher information
- distance measure