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<?php /** * * Function code for the complex sech() function * * @copyright Copyright (c) 2013-2018 Mark Baker (https://github.com/MarkBaker/PHPComplex) * @license https://opensource.org/licenses/MIT MIT */ namespace Complex; /** * Returns the hyperbolic secant of a complex number. * * @param Complex|mixed $complex Complex number or a numeric value. * @return Complex The hyperbolic secant of the complex argument. * @throws Exception If argument isn't a valid real or complex number. * @throws \InvalidArgumentException If function would result in a division by zero */ if (!function_exists(__NAMESPACE__ . '\\sech')) { function sech($complex): Complex { $complex = Complex::validateComplexArgument($complex); return inverse(cosh($complex)); } }
[-] log10.php
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[-] acsc.php
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[-] rho.php
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[-] sinh.php
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[-] conjugate.php
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[-] atan.php
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[-] asin.php
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[-] acos.php
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[-] negative.php
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[-] asinh.php
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[-] theta.php
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[-] ln.php
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[-] pow.php
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[-] acot.php
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[-] log2.php
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[-] tan.php
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[-] inverse.php
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[-] sqrt.php
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[-] atanh.php
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[-] sec.php
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[-] exp.php
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[-] acosh.php
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[-] tanh.php
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[-] cosh.php
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[-] coth.php
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[-] sin.php
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[-] csch.php
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[-] acoth.php
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[-] asec.php
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[-] cot.php
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[-] argument.php
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[-] asech.php
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[-] cos.php
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[-] csc.php
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[-] sech.php
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[-] abs.php
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[-] acsch.php
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