Mingyu Xia submitted the
physics3
package.
Version number: 0.1A 2026-01-26
License type: lppl1.3c
Summary description: Modularized package for easy setting of physical formulas
Announcement text:
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- Apart from the legacy `physics` package, this package has solved the abuse of
tokens: in the legacy `physics` package, if one writes over 32767 (= 2^{15}-1)
matrix commands (although nobody will do this, but it’s a potential risk), then
the compiler will crash due to the limitation of memory. Also, the legacy
`physics` package used a lot of `g`-argument in xparse of the LaTeX kernel,
which is officially not suggested by the LaTeX team.
- This package also provides a simple way to typeset the inner product (norm)
and outer product (projector) formulas: \bknorm[<size>, basis]{<operator>},
\kbproj[<size>]{<basis>}
- Different from another package, `physics2`, this package has optimized the
matrix commands: a simple way for inputting a small diagonal matrix (based on
the smallmatrix environment in `mathtools` package) is provided: \diagmat*{a,
b, c}
The star (*) after the `\diagmat` command determines if the output matrix is
small.
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This package is located at
https://mirrors.ctan.org/macros/latex/contrib/physics3
More information is at
https://www.ctan.org/pkg/physics3
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Thanks for the upload.
For the CTAN Team
Erik Braun
------------------------------------------------------------------------
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