Complexity Analysis of a Fast Directional Matrix-Vector Multiplication.
Günther OfRaphael WatschingerPublished in: HPCSE (2019)
Keyphrases
- complexity analysis
- sparse matrix
- matrix multiplication
- theoretical analysis
- eigenvalues and eigenvectors
- matrix representation
- first order logic
- lower bound
- transformation matrix
- floating point
- directional filters
- rows and columns
- symmetric matrix
- computational complexity
- weight matrix
- linear algebra
- feature vectors
- symmetric matrices
- fuzzy membership
- directional information
- vector data
- cosine similarity measure
- covariance matrix
- similarity measure
- neural network
- singular values
- matrix factorization
- pseudo inverse
- singular value decomposition
- dot product
- dimensionality reduction
- directional features
- multiresolution
- gradient vectors
- feature space
- feature extraction