F(x, y) :
dF(x, y)/dx :
dF(x, y)/dy :
x0 : y0 :
h: σ :
0


If you have found a bug, please report it at the Codeberg project page.

If you have a suggestion or a question, please write Oleksandr Kaleniuk, Ph. D., Senior lecturer at DTE / IATE / ISKPI.