https://testing.docs.gimp.org/3.2/ca/script-fu-sota-chrome-it.html
12.11. Matriu de crom
matriudecrom
https://help.libreoffice.org/latest/ca/text/smath/01/03090906.html
Matriu en negreta
matriuen
https://help.libreoffice.org/latest/ca-valencia/text/scalc/01/04060107.html
Funcions de matriu
funcionsdematriu