zero-order-methods 9 defiltering 4 inverse-problems 4 optimization 4 machine-learning 3 optimization-algorithms 3 gradient-descent 2 first-order-methods 2 deep-learning 2 amsgrad 1 cnn-filters 1 convergence-analysis 1 convergence-rate 1 cosine-similarity 1 first-order-adamm 1 minima-analysis 1 optimizers 1 python 1 pytorch 1 t-sne 1 zero-order-adammm 1 zo-sgd 1 gradient-approximations 1 linear-regression 1 smoothing-algorithm 1 stochastic-optimization 1 black-box-optimization 1 global-optimization 1 global-optimization-algorithms 1 lipschitz-bandit 1 lipschitz-functions 1 non-convex-optimization 1 non-linear-optimization 1 nonlinear-optimization 1 optimizer 1 zeroth-order-optimization 1 fine-tuning 1 language-model 1 large-language-models 1 llm-training 1 llms 1 machine-learning-algorithms 1 svrg 1 variance-reduction 1 deblurring 1