[Maxima-bugs] [maxima:bugs] #4630 expand not idempotent (simplus)

[Stavros M. <mac...@us...>]

- **labels**: Lisp Core - Simplification, expand, orderlessp --> Lisp Core - Simplification, simplus
- **summary**: expand not idempotent (orderlessp?) --> expand not idempotent (simplus)



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**[bugs:#4630] expand not idempotent (simplus)**

**Status:** open
**Group:** None
**Labels:** Lisp Core - Simplification simplus 
**Created:** Tue Nov 04, 2025 07:57 PM UTC by Stavros Macrakis
**Last Updated:** Tue Nov 04, 2025 09:50 PM UTC
**Owner:** nobody


<pre>
vv: ((1/sqrt(2)-2^(1/3))/2^(1/3)-%i/2^(5/6))*(-(%i/2^(5/6))-(2^(1/3)+1/sqrt(2))/2^(1/3))$
expand(vv) =>
2^(1/6)*%i+1/2^(5/6)-1/2^(2/3)-1/2^(5/6)+1
expand(%) =>
2^(1/6)*%i-1/2^(2/3)+1
</pre>

Maxima 5.48.1 SBCL 2.5.7 MacOS 15.7.1 Intel



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