Adding underbrace in the array environment to some arbitrary columns

1
2
\[\begin{array}{ccccccccc}â€Ž¬
â€Žâ€·â€Ž\text{Saturday}â€Ž·&·â€Žâ€·\text{Sunday}·&â€Ž·
â€Žâ€·\text{Mondey}·&â€Ž·â€Žâ€·\text{Tuesday}·&â€Ž·
â€Žâ€·\text{Wednesday}·â€Žâ€Žâ€·â€·&·&â€Žâ€Ž·
â€Žâ€·â€Ž\text{Saturday}·=â€Ž·4â€Ž·&&â€Ž·
â€Žâ€·\text{Wednesday}·=·324··â€Žâ€Žâ€·\\¬
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

LaTeX

Compile Error

1. Check the configured compile mode in settings

2. Check the LaTeX log file:

?	Show / hide this help menu
ctrl + space
ctrl + s
ctrl + e

Keyboard Shortcuts: