Matrix with Varying Font Sizes

Here is an example of how to create a matrix with varying font sizes in LibreOffice Math. You can copy this example to the Commands window using the clipboard and use it in your own formula.

Matrix with varying font sizes

func G^{(%alpha" ," %beta)}_{ x_m x_n} = left[ matrix { arctan(%alpha) # arctan(%beta) ## x_m + x_n # x_m - x_n }right]