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Published February 4, 2026 | Version v0.99.0

xsuite/xtrack: Xtrack version 0.99.0

Description

Changes:

  • Introduce xt.rdt_first_order_perturbation(...) to compute Resonant Driving Terms using first-order perturbation theory.
  • Change definition of f1001, f1010 computed by Line.twiss(coupling_edw_teng=True) to be consistent with MAD-NG convention (the value is now -conj of the value returned in previous versions). Conventions are now documented in Xsuite Physics Guide.
  • Introduce coordinate logging at multiple elements during tracking through Line.track(..., multi_element_monitor_at=[...])
  • Fix in Line.twiss(search_for_trev=True)

Full Changelog: https://github.com/xsuite/xtrack/compare/v0.98.14...v0.99.0

Files

xsuite/xtrack-v0.99.0.zip

Files (21.3 MB)

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Additional details

Related works

Is supplement to
Software: https://github.com/xsuite/xtrack/tree/v0.99.0 (URL)

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