Duration may refer to:
Duration (French: la durée) is a theory of time and consciousness posited by the French philosopher Henri Bergson. Bergson sought to improve upon inadequacies he perceived in the philosophy of Herbert Spencer, due, he believed, to Spencer's lack of comprehension of mechanics, which led Bergson to the conclusion that time eluded mathematics and science. Bergson became aware that the moment one attempted to measure a moment, it would be gone: one measures an immobile, complete line, whereas time is mobile and incomplete. For the individual, time may speed up or slow down, whereas, for science, it would remain the same. Hence Bergson decided to explore the inner life of man, which is a kind of duration, neither a unity nor a quantitative multiplicity. Duration is ineffable and can only be shown indirectly through images that can never reveal a complete picture. It can only be grasped through a simple intuition of the imagination.
Bergson first introduced his notion of duration in his essay Time and Free Will: An Essay on the Immediate Data of Consciousness. It is used as a defense of free will in a response to Immanuel Kant, who believed free will was only possible outside of time and space.
In finance, the duration of a financial asset that consists of fixed cash flows, for example a bond, is the weighted average of the times until those fixed cash flows are received. When an asset is considered as a function of yield, duration also measures the price sensitivity to yield, the rate of change of price with respect to yield or the percentage change in price for a parallel shift in yields.
The dual use of the word "duration", as both the weighted average time until repayment and as the percentage change in price, often causes confusion. Strictly speaking, Macaulay duration is the name given to the weighted average time until cash flows are received, and is measured in years. Modified duration is the name given to the price sensitivity and is the percentage change in price for a unit change in yield.
Both measures are termed "duration" and have the same (or close to the same) numerical value, but it is important to keep in mind the conceptual distinctions between them. Macaulay duration is a time measure with units in years, and really makes sense only for an instrument with fixed cash flows. For a standard bond the Macaulay duration will be between 0 and the maturity of the bond. It is equal to the maturity if and only if the bond is a zero-coupon bond.
Darryl and Daryl are common English names.
The name Daryl means "Beloved".
Male variations of this name include:English: Darlin, Daryl, Darrell; French: Darryl, Darrell, Darrel. Female and unisex variations of this name include: Darla, Daryl; Darlene, Darleen, Darline, Darian; Darlene, Dareen, Darelle, Darlleen, Darrelle, Darryl.
Variant forms: Darel, Darille, Darolyn, Darrel, Darrell, Derrell, Darrelle, Darrellyn, Darrill, Darrille, Darryl, Darrylene, Darrylin, Darryline, Darryll, Darrylyn, Darrylynn, Darylene, Darylin, Daryline, Daryll, Darylyn, Daryl, Darylyne and Derrill.
Daryl (born August 13, 1955) is the professional name of Daryl Easton, formerly Daryl Martinez, an American magician based in Las Vegas. In his marketing he uses the self-proclaimed title of "The Magician's Magician." Daryl usually goes by his forename only.
He specializes in card tricks, close-up and parlor magic.
Two of his most famous contributions to magic are the "Hot Shot Cut", a knuckle-busting sleight where the spectator's chosen card spins like a boomerang out of the deck, and the "Ultimate Ambition" trick which allows a card to be inserted fairly into the middle of a deck and yet appear back on top.
Daryl won the gold medal at FISM - the World Congress of Magic (the "Olympics" of Magic), in Lausanne, Switzerland in 1982, with a routine that included his now famous Ambitious Card Routine using the Ultimate Ambition. He has been awarded 6 Academy Awards from the world famous Magic Castle in Hollywood, California (no one has earned more). Twice, his peers voted him Close-Up Magician of the Year (1980 and 1981), twice as Parlour Magician of the Year (1986 and 1987), and twice as Lecturer of the Year (1988 and 1992). The list goes on and on with victories in every major competition he has entered. More recently he was voted one of the 100 most influential magicians of the 20th century by Magic Magazine.
Daryl Dixon is a fictional character from the horror drama television series The Walking Dead, which airs on AMC in the United States and is based on the comic book series of the same name. The character, which does not appear in the original comic books, was created for the television series by writers Frank Darabont, Charles H. Eglee and Jack LoGiudice specifically for Norman Reedus; they liked his audition for Merle Dixon so much that they created an additional character for him. The character was introduced in the first season as a southern, expert tracker who constantly lives in the shadow of his older brother, Merle. Despite his ill temper and volatility, he is tolerated by the core group of survivors due to his skills in hunting animals, and fearless efficiency in killing walkers.
After Merle's disappearance, Daryl begins to shed his aloof personality and starts to bond with the group, particularly Carol Peletier after her daughter's disappearance, and Beth Greene after the two are split off together in season 4. The character eventually becomes the cooperative right-hand man and protector of protagonist Rick Grimes and leads several supply runs. He is one of the longest-surviving characters of the television series, and one of the characters that does not have a counterpart in the comics. His origin is explored in the 2013 video game, The Walking Dead: Survival Instinct.