Alina laughed out loud, waking the cat. She pasted the code into her thesis, compiled, and watched the elegant symbols render flawlessly.
They never asked which one.
\int_{\Omega} \left( \nabla \cdot \mathbf{F} \right) \, dV = \oint_{\partial \Omega} \mathbf{F} \cdot d\mathbf{S} \otimes \sum_{i,j} g_{ij} dx^i dx^j Perfect. Not a single bracket out of place. how to install mathpix in ubuntu