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- [section:gamma_derivatives Derivative of the Incomplete Gamma Function]
- [h4 Synopsis]
- ``
- #include <boost/math/special_functions/gamma.hpp>
- ``
- namespace boost{ namespace math{
-
- template <class T1, class T2>
- ``__sf_result`` gamma_p_derivative(T1 a, T2 x);
-
- template <class T1, class T2, class ``__Policy``>
- ``__sf_result`` gamma_p_derivative(T1 a, T2 x, const ``__Policy``&);
-
- }} // namespaces
-
- [h4 Description]
- This function find some uses in statistical distributions: it
- implements the partial derivative with respect to /x/ of the incomplete
- gamma function.
- [equation derivative1]
- [optional_policy]
- Note that the derivative of the function __gamma_q can be obtained by negating
- the result of this function.
- The return type of this function is computed using the __arg_promotion_rules
- when T1 and T2 are different types, otherwise the return type is simply T1.
- [h4 Accuracy]
- Almost identical to the incomplete gamma function __gamma_p: refer to
- the documentation for that function for more information.
- [h4 Implementation]
- This function just expose some of the internals of the incomplete
- gamma function __gamma_p: refer to the documentation for that function
- for more information.
- [endsect] [/section Derivative of the Incomplete Gamma Functions]
- [/
- Copyright 2006 John Maddock and Paul A. Bristow.
- Distributed under the Boost Software License, Version 1.0.
- (See accompanying file LICENSE_1_0.txt or copy at
- http://www.boost.org/LICENSE_1_0.txt).
- ]
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