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A barrier function is also called an interior penalty function, as it is a penalty function that forces the solution to remain within the interior of the feasible region. The two most common types of barrier functions are inverse barrier functions and logarithmic barrier functions.
A barrier certificate [1] or barrier function is used to prove that a given region is forward invariant for a given ordinary differential equation or hybrid dynamical system. [2] That is, a barrier function can be used to show that if a solution starts in a given set , then it cannot leave that set.
During the 1950s, 60s and 70s, radio DJs exerted considerable influence on popular music, especially during the Top 40 radio era, because of their ability to introduce new music to the radio audience and promote or control which songs would be given airplay. [9] [10]
AI research in the 1950s and 60s had an enormous influence on intellectual history: it inspired the cognitive revolution, led to the founding of the academic field of cognitive science, and was the essential example in the philosophical theories of computationalism, functionalism and cognitivism in ethics and the psychological theories of ...
Free jazz is an approach to jazz music that was first developed in the 1950s and 1960s. Although the music produced by free jazz composers varied widely, the common feature was a dissatisfaction with the limitations of bebop, hard bop, and modal jazz, which had developed in the 1940s and 1950s.
Johnson signs Public Law 90-130, lifting grade restrictions and strength limitations on women in the United States military. It amended 10 USC, eliminating the 2% maximum on enlisted women, and allowed female officers to be promoted to colonel or higher.
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