I would like my subscript y_{ij} in bold. I used:





but really nothing happens. Only y is in bold.

Can anyone help me please?


  • 1
    Try $y_{\text{\bfseries\itshape ij}}$ but I honestly don't see the application of bolding the subscript. – azetina Jul 31 '14 at 15:55
  • Thank you a lot azetina. You're right as a matter of fact I would like to bold y too. Simply adding {\textbf{y}}_... it works perfectly! Thank you again! – elb Jul 31 '14 at 16:03
  • 1
    @elb If you want math bold, use \mathbf{y_{ij}} instead of the \text stuff. To see the difference compare \textsf{$\mathbf{y_{ij}}$} and \textsf{$\textbf{y}_{\text{\bfseries\itshape ij}}$}. – Henri Menke Jul 31 '14 at 16:09

The context is not very clear to me: math formula with bold symbols, math formula in bold context like section titles, bold/italics or bold/upright, text mode, ...

Here some variations:

\usepackage{fixltx2e}% for \textsubscript

  $y_{ij}$, \boldmath{$y_{ij}$}, $\bm{y_{ij}}$,
  $\mathbf{y_{ij}}$, \textbf{y\textsubscript{ij}}


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