Using harpoon vector symbol in LaTeX

My favorite vector symbol is a harpoon, but the harpoon package defaults to text mode, which will fail when math characters like \ell are used in the math mode.

To fix this, in your document header put:




will work.


IEEEtran.cls prerequisities

You can invoke the IEEEtran.cls by starting your .tex file with:

You may get an error stating that IEEEtran.cls not found.

In that case, do:

sudo apt-get install texlive-publishers texlive-fonts-recommended biblatex

so that you don’t get a
Font OT1/ptm/m/n/10=ptmr7t at 10.0pt not loadable