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.
return
SAKURAI, Masashi
E-mail :
m.sakurai@cmt.phys.kyushu-u.ac.jp
Web page :
http://www.cmt.phys.kyushu-u.ac.jp/~M.Sakurai/
