The determinant | Chapter 6, Essence of linear algebra
3Blue1Brown · 6 HN recommendations
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A 10-minute 3Blue1Brown chapter explaining the determinant as the factor by which a linear transformation scales area or volume. It builds the idea geometrically with animations before any formulas.
Why HN recommends it: HN repeatedly points people to it as the clearest visual intuition for determinants, often saying it finally made the concept click.
“I have warmed up to determinants ever since I saw 3Blue1Brown give a fairly intuitive explanation for them” Read on HN ↗