nlp deep-learning book coding transformer classification summarization pretrained-models attention-mechanism from-scratch bert fine-tuning roberta gpt2 deberta llm flan-t5 llms-book advanced-neural-network

machine-learning deep-learning pytorch attention-mechanism from-scratch rag llms chatgpt llm-training llm-inference retrieval-augmented-generation qwen advanced-neural-network llms-from-scratch