sympy__sympy-15349

Incorrect result with Quaterniont.to_rotation_matrix()

Verdict: the issue points to the file or function that was changed (Tier B).

https://github.com/sympy/sympy/blob/ab14b02dba5a7e3e4fb1e807fc8a954f1047a1a1/sympy/algebras/quaternion.py#L489

The text points to the exact place to change: “https://github.com/sympy/sympy/blob/ab14b02dba5a7e3e4fb1e807fc8a954f1047a1a1/sympy/algebras/quaternion.py#L489”

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