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The Principal is a 1987 action thriller film starring Jim Belushi, Louis Gossett Jr. and Rae Dawn Chong. Written by Frank Deese and directed by Christopher Cain, it was filmed in Oakland, California, and at Northgate High School in nearby Walnut Creek and distributed by TriStar Pictures on Panavision. Belushi reprised his role as Rick Latimer ...
instead. In developing the analogue for the complex logarithm, there is an additional complication: the definition of the complex integral requires a choice of path. . Fortunately, if the integrand is holomorphic, then the value of the integral is unchanged by deforming the path (while holding the endpoints fixed), and in a simply connected region (a region with "no holes"), any path from to ...
The Principal. (TV series) The Principal is an Australian four-part drama series which aired over two weeks on SBS starting 7 October 2015. [1] It was written by Kristen Dunphy and Alice Addison, directed by Kriv Stenders and produced by Ian Collie. [2]
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US$ 16.125 Billion (Fiscal Year Ended December 31, 2021) [1] Number of employees. ~18,600 (As of December 31, 2022) [1] Subsidiaries. Principal Mutual Fund. Website. principal .com. Principal Financial Group is an American global financial investment management and insurance company headquartered in Des Moines, Iowa, U.S.
In this manner log function is a multi-valued function (often referred to as a "multifunction" in the context of complex analysis). A branch cut, usually along the negative real axis, can limit the imaginary part so it lies between −π and π. These are the chosen principal values. This is the principal branch of the log function.
The principal argument of any positive real number x is 0; hence Log(x) is a real number and equals the real (natural) logarithm. However, the above formulas for logarithms of products and powers do not generalize to the principal value of the complex logarithm.
Principal value. In mathematics, specifically complex analysis, the principal values of a multivalued function are the values along one chosen branch of that function, so that it is single-valued. A simple case arises in taking the square root of a positive real number. For example, 4 has two square roots: 2 and −2; of these the positive root ...