Subsections

## The dot product Hessian of the ellipsoid

The second partial derivative of the dot product δi with respect to the orientational parameters and is

 = ⋅ = . (15.177)

### The Dx Hessian

The second partial derivatives of the unit vector with respect to the Euler angles are

### The Dy Hessian

The second partial derivatives of the unit vector with respect to the Euler angles are

### The Dz Hessian

The second partial derivatives of the unit vector with respect to the Euler angles are

The relax user manual (PDF), created 2016-10-28.