Description |
The quantum wavefunction of a particle in a 2D box of dimensions Lx and Ly. The wavenumbers are:
|
Source |
Own drawing, plotted in MuPAD.
|
Date |
13/02/2007
|
Author |
Inductiveload
|
Permission
(Reusing this image) |
|
Other versions |
See 2D Quantum Wavefunctions for more plots. |
[edit] Mathematica Code
This code does not require any packages to be loaded.
nx = 1
ny = 2
Plot3D[
Sin[nx Pi x]Sin[ny Pi y],
{x, 0, 1},
{y, 0, 1},
ImageSize -> 2500,
BoxRatios -> {2, 2, 2},
AxesLabel -> {x/Subscript[L, x], y/Subscript[L, y], Subscript[ψ, "1,1"]},
PlotRange -> {-1, 1},
TextStyle -> {FontSize -> 96}
]
[edit] MuPAD Code
nx := 1:
ny := 2:
f := sin(nx*x*PI) * sin(ny*y*PI):
conts := 16:
projectionlevel:=-1.5:
colourfunc := zip(RGB::Red, RGB::Yellow,
(a, b) -> (f(x,y)+1)/(2)*a
-(f(x,y)-1)/(2)*b):
funcplot := plot::Function3d(f(x,y),
x = 0..1,
y = 0..1,
Mesh = [24, 24],
Submesh=[8,8],
LineColor = RGB::Black.[0.99],
LineWidth = 0.2,
FillColorFunction = colourfunc,
AxesTitleFont = ["BKM-cmr17", 20],
TicksLabelFont = ["Courier New", 12],
ViewingBoxZRange = -1.5..1
):
contours := plot::modify(funcplot,
ZContours = [Automatic, conts],
LineWidth = 0.2,
LineColor = RGB::Gray90.[0.5],
XLinesVisible = FALSE,
YLinesVisible = FALSE,
Filled = FALSE
):
projcontours := plot::Transform3d([0, 0, projectionlevel],
[1, 0, 0, 0, 1, 0, 0, 0, 0],
plot::modify(funcplot, ZContours = [Automatic, conts],
LineWidth = 0.2,
LineColorType = Dichromatic,
LineColor = RGB::Red.[0.99],
LineColor2 = RGB::Yellow.[0.99],
XLinesVisible = FALSE,
YLinesVisible = FALSE,
Filled = FALSE
)
):
camera := plot::Camera([17, -24, 45],
[0.5, 0.4, -0.2],
0.038
):
ploteverything := plot::Canvas(funcplot, contours, projcontours,
Width = 200*unit::mm,
Height = 150*unit::mm,
AxesTitles = ["x/L(x)", "y/L(y)", "z"],
camera
):
plot(ploteverything)
Haga clic sobre una fecha/hora para ver el
archivo a esa fecha.
Las siguientes páginas enlazan a esta imagen: