*τ*_{m}-*τ*_{m}partial derivative*τ*_{m}- partial derivative*τ*_{m}- partial derivative- - partial derivative
- - partial derivative
- - partial derivative

The second partial derivatives with respect to the geometric parameter *τ*_{m} twice are

The second partial derivatives with respect to the geometric parameters *τ*_{m} and
are

The second partial derivatives with respect to the geometric parameters *τ*_{m} and
are

The second partial derivatives with respect to the geometric parameter twice are

The second partial derivatives with respect to the geometric parameters and are

The second partial derivatives with respect to the geometric parameter twice are

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