[Doc] Add Python docstring for Matrix class (#2587)
[Doc] Add Python docstring for Matrix class (#2587)

* [Doc] Add Python docstring for Matrix class

* Auto Format

* Update python/taichi/lang/matrix.py

Co-authored-by: Ye Kuang <4b45f682edc0f60a7ee973114ff9390ff2416366@users.noreply.github.com>

* Update matrix.py

* Update matrix.py

Co-authored-by: Taichi Gardener <52844ac7498fba84f633481a7c3ae54491811c81@gmail.com>
Co-authored-by: Ye Kuang <4b45f682edc0f60a7ee973114ff9390ff2416366@users.noreply.github.com>
yuanming-hu/taichi,yuanming-hu/taichi,yuanming-hu/taichi,yuanming-hu/taichi