What are all the the notations for partial derivatives where z=f(x,y)?

Answer 1

The notations for partial derivatives where z=f(x,y) are:

- ∂z/∂x
- f_x
- D_1f
- ∂_1f
- ∂f/∂x

- ∂z/∂y
- f_y
- D_2f
- ∂_2f
- ∂f/∂y