differentiable_norm.h File Reference

#include <limits>
#include <Eigen/Dense>
#include "drake/math/autodiff.h"
#include "drake/math/autodiff_gradient.h"

Include dependency graph for differentiable_norm.h:

Namespaces
namespace	drake
namespace	drake::math

Functions
template<typename Derived>
Derived::Scalar	DifferentiableNorm (const Eigen::MatrixBase< Derived > &x)
	The 2-norm function |x| is not differentiable at x=0 (its gradient is x/|x|, which has a division-by-zero problem).