# quick question about partial sign

• Nov 23rd 2010, 10:35 AM
sung
He guys,

In some books they use $\partial_{x} f$, do they mean the partial derivatie of f by this?
• Nov 23rd 2010, 12:00 PM
pickslides
I would think so although it is usually written as $\displaystyle f_x$ or just $\displaystyle \frac{\partial{f}}{\partial{x}}$