# Thread: partial derivative of ODE

1. ## partial derivative of ODE

what is
$\frac{\partial}{\partial x}(\frac{dx}{dt})$?

(the partial wrt $x$ of $\dot{x}$ )

2. Originally Posted by ebot
what is
$\frac{\partial}{\partial x}(\frac{dx}{dt})$?

(the partial wrt $x$ of $\dot{x}$ )
This question looks unusual. In what context did it arise?