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src
stan
agrad
rev
matrix
grad.hpp
Go to the documentation of this file.
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#ifndef STAN__AGRAD__REV__MATRIX__GRAD_HPP
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#define STAN__AGRAD__REV__MATRIX__GRAD_HPP
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#include <
stan/math/matrix/Eigen.hpp
>
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#include <
stan/agrad/rev/matrix/Eigen_NumTraits.hpp
>
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#include <
stan/agrad/rev/var.hpp
>
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namespace
stan {
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namespace
agrad {
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void
grad
(
var
& v,
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Eigen::Matrix<var,Eigen::Dynamic,1>& x,
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Eigen::VectorXd& g) {
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stan::agrad::grad
(v.
vi_
);
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g.resize(x.size());
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for
(
int
i = 0; i < x.size(); ++i)
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g(i) = x(i).vi_->adj_;
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}
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}
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}
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#endif
Eigen_NumTraits.hpp
stan::agrad::grad
static void grad(chainable *vi)
Compute the gradient for all variables starting from the specified root variable implementation.
Definition:
chainable.hpp:110
stan::agrad::var::vi_
vari * vi_
Pointer to the implementation of this variable.
Definition:
var.hpp:40
var.hpp
Eigen.hpp
stan::agrad::var
Independent (input) and dependent (output) variables for gradients.
Definition:
var.hpp:27
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