What is spectral clustering?

Updated May 15, 2026

Short answer

Spectral clustering uses graph eigenvectors for clustering.

Deep explanation

It transforms data into graph space and clusters using Laplacian matrix.

Real-world example

Image segmentation tasks.

Common mistakes

  • Using without understanding graph structure.

Follow-up questions

  • What is Laplacian matrix?
  • Why use spectral clustering?

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