Mathematical methods for physicists

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Etiam porta sem malesuada magna mollis euismod rendered as bold text. Cras mattis consectetur purus sit amet fermentum le syndrome du clandestin. A clear, authoritative judicial holding on the meaning of a particular

\[ \begin{align*} \frac{\partial \rho}{\partial t} + \nabla \cdot (\rho \mathbf{u}) & = 0\\ \rho \left(\frac{\partial \mathbf{u}}{\partial t} + (\mathbf{u} \cdot \nabla) \mathbf{u} \right) & = -\nabla p + \mathbf{F} \\ + \mu \, \nabla^2 \mathbf{u} \, + \, & \left(\xi + \frac{\mu}{3} \right) \, \nabla (\nabla \cdot \mathbf {u}) \end{align*} \]

provision should not be cast in doubt and subjected to challenge whenever a related though not utterly inconsistent provision is adopted in the same statute or even in an affiliated statute, the two authors wrote