https://blog.baifan.site/en/tags/vector/Recent content in Vector on ByF (BaiFan) · Daily Deep ThinkHugo -- gohugo.ioenblog@baifan.site (ByF (BaiFan))blog@baifan.site (ByF (BaiFan))CC BY-NC 4.0Tue, 22 Jul 2025 14:00:00 +0800https://blog.baifan.site/en/ai-llm-tutorial-token-vector-basics/Tue, 22 Jul 2025 14:00:00 +0800blog@baifan.site (ByF (BaiFan))https://blog.baifan.site/en/ai-llm-tutorial-token-vector-basics/<h1 class="relative group">AI Tutorial: A Guide to AI LLMs, from Basics to Depth <div id="ai-tutorial-a-guide-to-ai-llms-from-basics-to-depth" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#ai-tutorial-a-guide-to-ai-llms-from-basics-to-depth" aria-label="Anchor">#</a> </span> </h1> <p>This article takes you deep into the core concepts of large language models — from basic principles to vector representation — building a complete knowledge system step by step.</p> <hr> <h2 class="relative group">1. Foundations of AI Application Development <div id="1-foundations-of-ai-application-development" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#1-foundations-of-ai-application-development" aria-label="Anchor">#</a> </span> </h2> <h3 class="relative group">1.1 Basic Principles and Concepts <div id="11-basic-principles-and-concepts" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#11-basic-principles-and-concepts" aria-label="Anchor">#</a> </span> </h3> <h4 class="relative group">In Plain Words <div id="in-plain-words" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#in-plain-words" aria-label="Anchor">#</a> </span> </h4> <ul> <li><strong>Core mechanism</strong>: predict the next word from the previous one — like a word-chain game</li> <li><strong>How it works</strong>: output is generated token by token</li> </ul> <h4 class="relative group">A Deeper Look <div id="a-deeper-look" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#a-deeper-look" aria-label="Anchor">#</a> </span> </h4> <p>A large AI model involves two key stages:</p>