Please help me understand figure on subspace similarity in LoRA paper. [D]

Short summary

A Reddit user asks for help understanding a figure about subspace similarity in the LoRA (Low-Rank Adaptation) paper. The question concerns how the subspace overlap metric works when j is lower than i, and what the y-axis represents in the zoomed-in figures. It is a technical discussion post seeking clarification on linear algebra concepts in the paper.

• •Question about subspace similarity figure in LoRA paper
• •Confusion about how values exist when j < i
• •Seeking clarification on y-axis meaning in zoomed figures

Generated with AI, which can make mistakes.