Deep Dive: Implementing Manual Backpropagation with a PyTorch-Inspired API

research#backpropagation📝 Blog|Analyzed: Feb 17, 2026 05:15
Published: Feb 17, 2026 05:11
1 min read
Qiita ML

Analysis

This article offers a fascinating look into the inner workings of neural networks by detailing the manual implementation of backpropagation, a key component of deep learning. By recreating the PyTorch API, the author offers a hands-on approach to understanding the mechanics behind gradient calculations and model training, which provides exciting educational opportunities. It's a great demonstration of how to build and understand deep learning models from scratch!
Reference / Citation
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"This article summarizes the manual implementation of backpropagation, covering ReLU network math, Linear / ReLU / CrossEntropy manual implementation, and gradient checks using numerical differentiation."
Q
Qiita MLFeb 17, 2026 05:11
* Cited for critical analysis under Article 32.