1
vote
1answer
130 views

What are these strange shapes in my Plot3D[]? [closed]

Plotting a function, I noticed some strange spots away from the main feature, the dark purple here: You can see that they don't actually have any curvature themselves: Strangely, you don't see ...
1
vote
2answers
84 views

Getting messages Rest::norest and Divide::indet from ContourPlot3D

Ok I don't know if it's a bug or what, but here's what I found: If I use this function: ...
25
votes
2answers
762 views

Sketch-type graphics with transparency and dashed hidden lines?

I'd like to create transparent graphs like the following from P1095, Calculus 6th Ed, by James Stewart. Can Mathematica accomplish this? By "transparent," I mean the ability to see the interior, ...
-7
votes
1answer
161 views

Plot The Cornu Parametric Spiral

How to plot the Cornu parametric Spiral in 3D With Mathematica. The 2D is quite easy. Thx. For more details you need to be familiar with the Cornu statement. $$\begin{cases} ...
2
votes
2answers
273 views

Drawing tubes with a While loop

I'm trying to make a plot with many objects in it using a While loop. Something like the following: ...
0
votes
1answer
96 views

Visualize fixed points and stable points in 4D

I have a list of 4 dimensional data points which are sum to one and always positive. These points are the fixed points of the 4 dimensional nonlinear ODE. I also found the stable points of the system ...
0
votes
0answers
38 views

How can I compute and graph a recursive 3D parametric equation after each iteration?

Basically, I have a function defined by $A(x,y,t+1)=A(x-1,y,t)+A(x,y-1,t)+A(x+1,y,t)+A(x,y+1,t)-A(x,y,t)$, with initial condition $A(x,y,0) = \cos(i)^2, x = \cos(i), y = \sin(i)$. I can graph the ...
6
votes
1answer
184 views

ListContourPlot3D doesn't use all points

Edited thanks to @Kuba: In the following example, ListContourPlot3D accepts an array of points spaced at intervals 0.1 apart throughout the volume, but seems to choose an arbitrary number of points ...
1
vote
2answers
208 views

Plot3D region bounded by equations?

I have four equations, $$ z = xy \\ z=0 \\ y=x^2 \\ x=y^2$$ I would like to integrate the region bounded by them. Before this, I would like to plot the region they bound, but I cannot seem to find ...
2
votes
1answer
113 views

ListPointPlot3D with connected points?

With the command ListPlot[data,Joined -> True] I can visually connect adjacent data points in the array with lines. However, this option appears to be missing ...
8
votes
1answer
194 views

Add lines to 3D Plot

How can I add lines that demarcate the different regions of the following 3D plot: Plot3D[1/(1 + E^(-a - c)), {a, -8, 8}, {c, -8, 8}] To give you an idea of what ...
0
votes
0answers
38 views

Mathematica how to plot objects with labels in 3D plot [duplicate]

The following code plots 3 cuboids, each with a label at the lower left vertex. The label is meant to be part of the cuboid object. Yet, since Text[] is used to ...
31
votes
6answers
1k views

How to plot contours in the faces of a cube

I'm trying to plot contours of a function f[x,y,z] on the faces of a cube as the example below, which represents the domain of this function. Is there a way to do ...
2
votes
1answer
218 views

ContourPlot3D for a 3D vector contour plot

The procedure ContourPlot3D allows plotting the contour lines of the components of a 3D-vector. The problem is I don't know how to give the contour planes of each ...
1
vote
1answer
87 views

Shading using VertexNormal changed when combining graphics3D andy ListContourPlot3D with Show

I want to combine some ListContourPlot3D and Graphics3D to present, on one 3D plot, the projection of the contour plots on each ...
3
votes
2answers
295 views

Increase 3D Graph thickness for 3D printing in Mathematica?

My code: Plot3D[{(2*x*y)/(x^2 + y^2)}, {x, -2, 2}, {y, -2, 2}] Output: And now I can export this to STL by using the export STL command, however, when I try ...
1
vote
2answers
128 views

Opacity and overlapping points on ListPlot3D

I am plotting a dataset on ListPointPlot3D, and in order to give an idea of density of points I used opacity of 0.5. The problem is that that while the opacity of points behind one another is added, ...
1
vote
2answers
122 views

How can I increase the number of polygons / resolution for this plot?

I have generated the following plot: Code: RegionPlot3D[ x^2 + z^2 < 1 && x^2 + y^2 < 1, {x, -2, 2}, {y, -2, 2}, {z, -2, 2}, Axes -> False] ...
0
votes
0answers
66 views

how to plot 3d graph with its projection on the plane? [duplicate]

I know that using matlab we can plot above kinds of graphics, looking very nice and informative. For so long time, I have been wondering how to plot those kinds of figures in mathematica. I was ...
0
votes
1answer
163 views

plotting xy, yz, zx plane at

I have a data list in the following form, data = {x, y, z, f} I would like to present three kinds of subdata set as a density (or contour) plot on the ...
3
votes
1answer
94 views

Adding and summing overlapping Airy (or Gaussian) disks on a plane

In a previous question of mine, I asked how one might draw an Airy disk on a plane: Generating an Airy disk on a plane, and recieved some impressive answers from the users Timothy Wofford and ...
3
votes
2answers
204 views

fit a curve in a three dimensional space

I have a list of points of a curve in a three dimensional space, like ...
3
votes
2answers
341 views

Generating an Airy disk on a plane

I wish to generate a surface intensity plot of an Airy disk (or perhaps a two-dimensional Gaussian approximation to an Airy disk) on an (x, y)-plane at a specified coordinate. The hope is to have ...
9
votes
1answer
317 views

How do I place a texture on an irregular 3D model?

I'm trying to reproduce a textured head in Mathematica, and I'm using a kind of 'net' of a head which contains all the features on the face. The texture looks like this: which is supposed to look ...
0
votes
1answer
204 views

How can I combine several 2D-plots to one big 3D plot?

So I've been able to make a list given by list = Table[{xValues, f[xValues, t (*fixed*)]}, {xValues, xmin, xmax}] For example: ...
5
votes
2answers
895 views

Need 4D plot (3D + color for function) [duplicate]

I have a function f(x,y,z) of three variables and some constants: ...
2
votes
2answers
141 views

Reducing quality of Graphics3D scene to improve performance?

ProteinData["SERPINA1", "MoleculePlot"] gives the detailed Graphics3D plot below. I'd like to make many small copies of this ...
2
votes
1answer
122 views

How to combine multiple Graphics3D scenes into a single Graphics3D scene?

ProteinData["A2M", "MoleculePlot"] gives you a Graphics3D object below. I'd like to display multiple of these proteins in a ...
11
votes
2answers
268 views

Color Histogram3D by Bin Location

I am using a Histogram3D plot to view the correlation of the R & G of an RGB image. Naturally, I want the bins to have a color corresponding to their $x$, $y$ ...
0
votes
1answer
287 views

How to plot a polygon and a line on the same graph?

I have to plot the line 1 + 4 t, 2 + 5 t, 1 + 12 t and the polygon with points {2, 3, 4}, {1, 4, 5}, {3, 3, 3} in the same graph to see if the line goes through the polygon. I was able to get them to ...
0
votes
1answer
94 views

Nested function problem [closed]

I have trouble defining the following function in Mathematica sp[M_, u_] := 1/Sum[u^k M!/(M - k)!, {k, 0, M}] After defining it Mathematica displays an error. ...
13
votes
1answer
255 views

Method -> {“AxesInFront” -> False} for Graphics3D

I'm aware of two ways to manage positioning of Axes for Graphics3D: AxesOrigin and ...
2
votes
1answer
244 views

How can I draw a curve through as set of xyz points?

I have a list of data and want to make a curve like the one below which I made in solidworks. The problem of this curve is, that I don't know how to put it in a box with coordinates. The best I ...
4
votes
1answer
442 views

Plotting a 2D shape along a 3D parametric function curve

Say I have a 3D curve that is parametrically defined. How would I be able to plot shapes like figure 8s whose centers are aligned along the 3D curve? Say the curve was: ...
0
votes
1answer
271 views

Projecting on an arbitrary plane

I have the following code, giving me a representation of a photon hitting a cylinder: ...
2
votes
1answer
161 views

3D arrow tail properties

I would like to use VectorPlot3D to plot a vector field with 3D arrows: ...
2
votes
1answer
310 views

Plot a 3D vector field from a file [duplicate]

I have a data file with six columns {x,y,z} and {ux,uy,uz} respectively, and I would like to plot the 3D vector field. http://www.mediafire.com/download/udoa61hu0m6itrc/campo.txt I'm trying to do ...
2
votes
2answers
199 views

What is the default ColorFunction for 3D plots?

This should be a really simple question, but it isn't in the documentation for some perverse reason. I like the default ColorFunction that Mathematica uses for ...
1
vote
1answer
463 views

Adding tangent (velocity) vectors to a plot of a space curve [duplicate]

I am just getting started with Mathematica and need help plotting tangential vectors to a 3D parametric function. I know how to do this in 2D but am unsure how to do it in 3D. Maybe I am using the ...
6
votes
2answers
277 views

Plot3D constrained to a non-rectangular region

I would like to make a nice 3D graphic of a parabolic bowl, with a cylindrical rim. If I do the following: Plot3D[x^2 + y^2, {x, -3, 3}, {y, -3, 3}] I get a ...
15
votes
4answers
743 views

Visualization of Bivariate Distributions

I know it is perfectly possible to show the bivariate probability distributions in MMA. But my question is can we show each dimension of distribution in 2D dimension while we are showing the 3D plot? ...
5
votes
2answers
472 views

How to label axes in 3D plot adequately?

The following code produces plot with axes labels, which are jumping constantly. ...
1
vote
0answers
40 views

3D plot changes it's size while rotating [duplicate]

When I am rotating drawn 3D plot by mouse it rotates Ok until mouse release. After that it slightly changes it's size instantly. Probably it tries to accommodate document layout or something. Is it ...
3
votes
1answer
251 views

White spots in ListDensityPlot

I have a problem with ListDensityPlot. I have some data on an irregular grid. I try to plot them with ...
2
votes
1answer
441 views

Distance between 3D curves

I would like to determine the distance bewteen two representations of the Lorenz Attractor. I have two 3D representations for different initial conditions and I want to calculate the distance between ...
14
votes
3answers
627 views

How to plot a 3D surface with a simple black and white style?

Mathematica has great plotting capabilities. However, sometimes what is needed is a very basic black and white plot without textures, lighting, glow and other complex features. So, here is my ...
4
votes
2answers
744 views

Plot 2D Vector function in 3D

I want to plot a 2D vector function such as $F(x,y) = (a(x,y),\,b(x,y))$ in a 3D graph so that the vectors are embedded in the xy plane. I tried to do the following: First I defined a piecewise ...
2
votes
1answer
114 views

How do I remove this awkward plane? [duplicate]

Using Plot3D, I tried to plot $x^3 + y^3+3xy=z$ ...
5
votes
4answers
674 views

How can I fill a curve in ParametricPlot3D?

I'd like to fill a curve in a ParametricPlot3D in the same way as I might with ListPointPlot3D; i.e., ...
6
votes
2answers
1k views

Axes Origin & Labels in 3D Plot

I'm looking for a way to have the axes at the origin in a 3D plot and to label the (x,y,z) axes in the usual way---with x near the end of the drawn portion of the x axis, y near the end of the drawn ...