Surface Curvature Matlab equivalent in Python

Question

I was trying to calculate the curvature of a surface given by array of points (x,y,z). Initially I was trying to fit a polynomial equation z=a + bx + cx^2 + dy + exy + fy^2)

Answer 1

Dot Product in Python

Derivates in Python

Reshaping in Python

Oddly enough all of these are SO questions. Take a gander around next time and you can likely find an answer. Also note that you'll want to be using NumPy for Python to do this. It's fairly intuitive to use. Matlibplot (or something like that) might be helpful for you too!