Explained: Linear and nonlinear systems
Much scientific research across a range of disciplines tries to find linear approximations of nonlinear behaviors. But what does that mean?
Much scientific research across a range of disciplines tries to find linear approximations of nonlinear behaviors. But what does that mean?
(PhysOrg.com) -- Regression analysis. It sounds like a part of Freudian psychology. In reality, a regression is a seemingly ubiquitous statistical tool appearing in legions of scientific papers, and regression ...
Measurements of the collective public mood derived from millions of tweets can predict the rise and fall of the Dow Jones Industrial Average up to a week in advance with an accuracy approaching 90 percent, ...
(PhysOrg.com) -- In a project that has long been overdue, Cambridge University, thanks to a hefty gift from the Polonsky Foundation (supporter of education and arts) and a grant from Britain’s Joint ...
At 5:46 p.m. on Sept. 20, Georges Gonthier, principal researcher at Microsoft Research Cambridge, sent a brief email to his colleagues at the Microsoft Research-Inria Joint Centre in Paris. It read, in full: ...
(PhysOrg.com) -- A conjecture presented in 1985 – the Andrews and Robbins conjecture – has recently been proved for the first time. It is thus clear that the structure which goes by the name of "totally ...
(PhysOrg.com) -- Sander Nieuwenhuis and his associates from the Netherlands have done a study on one particular type of statistical error that apparently crops up in an inordinately large number of papers published in neuroscience ...
(Phys.org) —While many people have already taken a stance on whether gun control laws need to be stricter or more lenient, a pair of researchers from the University of California Irvine argues that there ...
(Phys.org) —A famous math problem that has vexed mathematicians for decades has met an elegant solution by Cornell researchers. Graduate student Yash Lodha, working with Justin Moore, professor of mathematics, has described ...
In a collaboration with Meadowhall Shopping Centre, students from the University's Maths Society (SUMS) developed, trialled and tested a formula which enables pancake-lovers across the world to rustle-up ...
Worldwide, the number of scientists is increasing as is the number of scientific journals and published papers, the latter two thanks in large part to the rise of electronic publishing. Scientists and other researchers are ...
A major mathematical breakthrough by a team of 18 scientists, led by University of Maryland mathematician Jeffrey Adams, has been commended by Congress, one week after the work made international headlines when it was announced by the American Instit ...
(PhysOrg.com) -- A group of Dartmouth researchers have developed a mathematical tool that can be used to unscramble the underlying structure of time-dependent, interrelated, complex data, like the votes of ...
In the life of many successful networks, the connections between elements increase over time. As connections are added, there comes a critical moment when the network's overall connectivity rises rapidly with ...
(PhysOrg.com) -- Bernardo Spagnolo of the University of Palermo in Italy and his Russian colleagues have developed a model that they believe explains why it is we humans hear some notes as harmonious, and ...