Gradient
(2.12)
Example
potential
function
Gaussian
exp[-r
2
]
Coloumb
1/r
Dipole
1/r - 1/r
Tight binding
cos(x)+cos(y)
Saddle point
x
2
-y
2
* r = (x
2
+y
2
)
1/2
3D viewer
Rotation:
drag a point pressing the left button.
Close up:
drag a point pressing the left button with [Shift] key on the keyboard.
function:
Gaussian
Coloumb potential
Dipole potential
Tight binding
Saddle point
2D view
3D view
Show flow
Show contour
Show surface
3D visualization by
Three.js
(MIT License)
return