jacobian()

jacobian()#

OperatorTemplate.jacobian(state: ndarray, input_=None) ndarray[source]#

Construct the state Jacobian of the operator.

If \([\![\q]\!]_{i}\) denotes the \(i\)-th entry of a vector \(\q\), then the \((i,j)\)-th entry of the state Jacobian is given by

\[[\![\ddqhat\Ophat(\qhat,\u)]\!]_{i,j} = \frac{\partial}{\partial[\![\qhat]\!]_j} [\![\Ophat(\qhat,\u)]\!]_i.\]
Parameters:
state(r,) ndarray

State vector.

input_(m,) ndarray or float or None

Input vector.

Returns:
jac(r, r) ndarray

State Jacobian.