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Andrea Amati (ca. 1505 - 1577, Cremona) was a luthier, from Cremona, Italy. [1] [2] Amati is credited with making the first instruments of the violin family that are in the form we use today. [3] Several of his instruments survive to the present day, and some of them can still be played.
A claim that Andrea Amati received the first order for a violin from Lorenzo de' Medici in 1555 is invalid as Lorenzo de' Medici died in 1492. A number of Andrea Amati's instruments survived for some time, dating between 1538 (Amati made the first Cello called "The King" in 1538) and 1574.
First order LTI systems are characterized by the differential equation + = where τ represents the exponential decay constant and V is a function of time t = (). The right-hand side is the forcing function f(t) describing an external driving function of time, which can be regarded as the system input, to which V(t) is the response, or system output.
The second order time constant, , is simply the time constant associated with the reactive element (where subscript always denotes the index of the element in question), when element is infinite valued. In this notation, the superscript always denotes the index of the element (or elements) being infinite valued, with superscript zero implying ...
The first order autoregressive model, = +, has a unit root when =.In this example, the characteristic equation is =.The root of the equation is =.. If the process has a unit root, then it is a non-stationary time series.
Born in Cremona, Andrea Amati's son and Girolamo Amati's brother, Antonio worked first with his father, then with his brother, in the same workshop. With the latter, he refined his construction technique and style. For about ten years, they co-signed their works with their Latinized names: "Antonius & Hieronymus Amati"
(Reuters) -Microsoft-backed OpenAI said on Thursday it was launching its "Strawberry" series of AI models designed to spend more time processing answers to queries in order to solve hard problems.
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