The optimization for a real car involved solving a system of four transcendental equations.
The regulations consist of a system of four colored alerts that will kick in when heavy pollution is forecast.
The M-Line (mata.org) is a system of four (mostly) air-conditioned and heated vintage trolley buses running 365 days a year around Dallas's vibrant Uptown neighbourhood.
The Morgan evening began with Young describing the Ficino banquet and the Renaissance view of the body as a system of four humors — sanguine, choleric, melancholic, and phlegmatic.
Some academies, such as Leigh academy and Excelsior in Newcastle, have restructured into a collegiate system of four or five mini-schools each requiring heads and deputies.
So the institution has put together an ambitious $15 million plan to create a system of four museums in historic Virginia areas, increasing display space for its extensive collection.
Amazon's new Fire Phone uses a system of four cameras to constantly track its user's face and makes objects appear 3D using "dynamic perspective" – shifting the image around as the user tilts their head.
So on the one hand you have an immovable system of four interlinked geographies, and on the other you have "consumers and digital platforms that did not get the memo that fashion has four seasons," Mr. Galloway of L2 said.
Their Panoramic Night Vision goggles will use a system of four optical tubes feeding images to the pilot, offering a 100-degree field of vision, greater than the 40-degree angle of view from standard goggles.
A Moscow firm called Concern Morinformsystem-Agat has offered a system of four Klub missiles and an erector, with a control compartment for two operators, all concealed inside a standard shipping container.
Modelling leads to a system of four nonlinear differential equations.
