Observed, observing

BOBBY AND STILLMAN: THE COLLABORATION WITH UCL’s BIG DATA INSTITUTE In the applied mathematics of fluid dynamics, a ‘Eulerian approach’ describes movement passing a fixed point. Swiss mathematician Leonhard Euler, fig.1, formulated equations for such motion in 1757. In the 1770s his successor at the Berlin Academy, French/Italian mathematician Joseph-Louis Lagrange (fig.2) described phenomena recorded…