---
title: "Discussion on \"Zero to Neuron Series 5: QLoRA By Hand — A Step-by-Step Numerical Walkthrough\" | Hashnode"
description: "Discussion on \"Zero to Neuron Series 5: QLoRA By Hand — A Step-by-Step Numerical Walkthrough\". Learn the concepts behind fine-tuning large language models. This post simply explains step by step math calculations behind the hood."
url: "https://hashnode.com/posts/series-5-qlora-by-hand-a-step-by-step-numerical-walkthrough/6905b2ac7d0cce9aef9d2e59"
---

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# [Zero to Neuron Series 5: QLoRA By Hand — A Step-by-Step Numerical Walkthrough](https://importarun-dl.hashnode.dev/series-5-qlora-by-hand-a-step-by-step-numerical-walkthrough?utm_source=hashnode&utm_medium=feed)

Learn the concepts behind fine-tuning large language models. This post simply explains step by step math calculations behind the hood.

Nov 1, 2025 · 8 min read · importarun-dl.hashnode.dev  
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-   [#finetuning](https://hashnode.com/tag/finetuning)

## Written by

[Arun Kumar](https://hashnode.com/@importarun)

@importarun · Chennai, Tamil Nadu, India

  
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In pursuit of the signal within the noise.

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