Python3, Python Matplotlib, Numpy, Differential Calculus, Derivation.
looking #for some kind of structure in the expression sy.factor(Zx) 2(3x+y+5) The second: Zxy = sy.diff(Zx, y) print(f'Zxy={sy.factor(Zxy)}') Zxy=2 Discriminant — Formula D= Zxx ∗ Zyy − (Zxy)^2 D= 6 ∗ 2 − (2)^2 = 8 D = 8 As D>0 and Zxx>0 Interpretation: If D > 0 and Zxx < 0 ↦ MAX If D > 0 and Zxx >