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feat(dynamics): add PTA - Ehlers Precision Trend Analysis

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TASC Sep 2024. Dual 2-pole Butterworth highpass bandpass for
near-zero-lag trend extraction. HP(long) - HP(short) preserves
cycles between shortPeriod and longPeriod.

- Core: Pta.cs with O(1) streaming, Span batch, state rollback
- Quantower: PtaIndicator adapter with LineSeries + SetValue
- Tests: 31 lib + 11 Quantower (all passing)
- Pine: pta.pine PineScript v6 reference
- Docs: Pta.md canonical template v3
- Python: Exports.Generated.cs + _bridge.py + dynamics.py
- Indexes: _sidebar.md, lib/_index.md, dynamics/_index.md,
  docs/indicators.md, docs/pinescript.md
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Miha Kralj
2026-03-17 17:25:17 -07:00
parent 84d12e5706
commit aec3a64e4e
14 changed files with 1023 additions and 1 deletions
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lib/_index.md
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@@ -270,6 +270,7 @@
| [PLUS_DI](dynamics/plusdi/PlusDi.md) | Plus Directional Indicator | Dynamics |
| [PLUS_DM](dynamics/plusdm/PlusDm.md) | Plus Directional Movement | Dynamics |
| [PMA](trends_FIR/pma/Pma.md) | Ehlers Predictive Moving Average | Trends (FIR) |
| [PTA](dynamics/pta/Pta.md) | Ehlers Precision Trend Analysis | Dynamics |
| [PMO](momentum/pmo/Pmo.md) | Price Momentum Oscillator | Momentum |
| [POISSONDIST](numerics/poissondist/Poissondist.md) | Poisson Distribution | Numerics |
| [POLYFIT](statistics/polyfit/Polyfit.md) | Polynomial Fitting | Statistics |