0

The code:

 \begin{equation}
   \frac{E_porous}{E_bulk}= \frac{(1 - P_{o})^2}{1+2P_{or} - 3\nuP_{or}} 
   \end{equation}

and the error: ! Undefined control sequence. 1+2P_{or} - 3\nuP {or} l.265 ...ac{(1 - P{o})^2}{1+2P_{or} - 3\nuP_{or}}

closed as off-topic by Raaja, egreg, Phelype Oleinik, Andrew Swann, Tiuri Feb 11 at 11:09

  • This question does not fall within the scope of TeX, LaTeX or related typesetting systems as defined in the help center.
If this question can be reworded to fit the rules in the help center, please edit the question.

  • The macro \nuP is not defined in any standard class. You probably meant to write \nu P. – alephzero Feb 11 at 10:42
  • @Yasamin insert a space between \nu and P. – Raaja Feb 11 at 10:42
  • 6
    I'm voting to close this question as off-topic because it is solved in comments. – Raaja Feb 11 at 10:43
  • Thanks all of you. – Yasamin Feb 11 at 10:52

Browse other questions tagged or ask your own question.