Fix TROP nuclear norm solver step size + FISTA acceleration#187

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igerber wants to merge 3 commits intomainfrom

trop-additional-analysis

Commits on Mar 2, 2026

Fix TROP nuclear norm solver: correct proximal gradient step size + FISTA acceleration

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claude
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Commits on Mar 7, 2026

Fix twostep nuclear norm solver threshold scaling for non-uniform weights

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Commits on Mar 8, 2026

Guard W_max==0 division in twostep nuclear norm solver + update docstrings

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