https://techartguy.com/series/deep-learning-specialization/ Recent content in Deep Learning Specialization on My blog Hugo -- gohugo.io en Thu, 25 Sep 2025 00:00:00 +0000 https://techartguy.com/post/deep-learning-week1-and-week2/ Sun, 07 Sep 2025 00:00:00 +0000 https://techartguy.com/post/deep-learning-week1-and-week2/ <p>I’m currently taking <strong>Neural Networks and Deep Learning</strong> (part of the <a href="https://www.coursera.org/specializations/deep-learning">Deep Learning Specialization on Coursera</a>).<br> One of the first building blocks we meet is <strong>logistic regression</strong>.</p> https://techartguy.com/post/deep-learning-week3/ Mon, 15 Sep 2025 00:00:00 +0000 https://techartguy.com/post/deep-learning-week3/ <p>For Week 3 of the Deep Learning Specialization, we move beyond logistic regression and build our <strong>first neural network</strong> — one with a single hidden layer. The task is to classify a toy <strong>flower-shaped dataset</strong>, which logistic regression cannot handle well.</p> https://techartguy.com/post/deep-learning-week4/ Thu, 25 Sep 2025 00:00:00 +0000 https://techartguy.com/post/deep-learning-week4/ <p>In Week 2, we trained a <strong>logistic regression classifier</strong> for the cat vs. non-cat dataset. It reached about <strong>70% test accuracy</strong>, but logistic regression is fundamentally limited: it can only draw one linear boundary.</p>