What this covers

• Wavelets/EMD/Kalman/SSA, spectral transforms, feature engineering, numerical methods.

Navigation (load on demand)

• docs/knowledge-base/domains/foundations/advanced-mathematics/signal-processing.md
• docs/knowledge-base/domains/foundations/advanced-mathematics/signal-processing-for-finance.md
• docs/knowledge-base/domains/foundations/advanced-mathematics/feature-engineering-math.md
• docs/knowledge-base/domains/foundations/advanced-mathematics/numerical-methods.md

Quick workflows

• Choose filtering/transform → signal-processing* MDs.
• Feature prep (detrend/scale/orthogonalize) → feature-engineering-math.
• Numerical stability tips → numerical-methods.

Notes

• Pull only relevant technique files per task.