Fractional Stochastic Gradient Algorithm for Time-Delayed Models With Piece-Wise Linear Input Using Self-Organizing Maps Method.
Jia TangPublished in: IEEE Access (2022)
Keyphrases
- stochastic gradient
- input data
- optimization algorithm
- cost function
- parameter estimation
- objective function
- stochastic gradient descent
- probabilistic model
- similarity measure
- linear model
- bayesian framework
- optimal solution
- convergence rate
- piece wise linear
- principal components
- prior information
- cross validation
- em algorithm
- expectation maximization
- particle swarm optimization
- worst case
- support vector machine
- pairwise
- learning algorithm
- model selection
- loss function
- regularization parameter
- weight vector
- support vector