1[section:beta_derivative Derivative of the Incomplete Beta Function] 2 3[h4 Synopsis] 4 5`` 6#include <boost/math/special_functions/beta.hpp> 7`` 8 9 namespace boost{ namespace math{ 10 11 template <class T1, class T2, class T3> 12 ``__sf_result`` ibeta_derivative(T1 a, T2 b, T3 x); 13 14 template <class T1, class T2, class T3, class ``__Policy``> 15 ``__sf_result`` ibeta_derivative(T1 a, T2 b, T3 x, const ``__Policy``&); 16 17 }} // namespaces 18 19[h4 Description] 20 21This function finds some uses in statistical distributions: it 22computes the partial derivative with respect to /x/ of the incomplete 23beta function __ibeta. 24 25[equation derivative2] 26 27The return type of this function is computed using the __arg_promotion_rules 28when T1, T2 and T3 are different types. 29 30[optional_policy] 31 32[h4 Accuracy] 33 34Almost identical to the incomplete beta function __ibeta. 35 36[h4 Implementation] 37 38This function just expose some of the internals of the incomplete 39beta function __ibeta: refer to the documentation for that function 40for more information. 41 42[endsect] [/section Derivatives of the Incomplete Beta and Gamma Functions] 43[/ 44 Copyright 2006 John Maddock and Paul A. Bristow. 45 Distributed under the Boost Software License, Version 1.0. 46 (See accompanying file LICENSE_1_0.txt or copy at 47 http://www.boost.org/LICENSE_1_0.txt). 48] 49 50 51