Questions on creating visualizations from functions or data using high-level constructors such as Plot, ListPlot, Histogram, etc.

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1
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4answers
443 views

ListPointPlot3D seen from above

I have a couple of {x,y,z} points a = {{0, 1, 0.}, {50, 1, 0.018931}, {100, 1, 0.02}, {0, 2, 0.}, {50, 2, 0.131}, {100, 2, 0.2}}; and I'm visualizing them with ...
-5
votes
1answer
302 views

plotting an equation with double summations

Thank you so much for the helpful comments. Now able to manage to plot all the functions. ...
4
votes
1answer
2k views

How can I draw the transition diagram of a Markov chain?

I apologize for my heaviness as I am a Mathematica novice. Is there a kind soul who can tell me how to draw diagrams like those shown on page 158, 160 and 161 of this document.Chaine de Markov I ...
3
votes
2answers
2k views

Define a color function using Piecewise

How can I define a ColorFunction for my ContourPlot using Piecewise? For example after ...
2
votes
3answers
317 views

LinePlot in For loop

I have the following Mathematica code to approximate Pi as inspired by the Matlab code in George Zhao Ideas ...
2
votes
4answers
2k views

Plotting a large number of data points

I would like to know how to plot when I have a large number of points (arround 600) in a specific format: ...
0
votes
1answer
133 views

Problem with displayed coordinates in LogLinearPlot

I have a very weird problem that I don't usually get. I try to plot a set of equations using LogLinearPlot and the Get coordinates right-click menuitem is working ...
5
votes
2answers
5k views

Make a scatter plot from two lists

I have two lists of values xx = {0.1, 0.3, 0.35, 0.57, 0.88, 1.0} yy = {1.2, 3.5, 4.5, 7.8, 9.0, 12.2} I want to make a scatter plot (list plot) with xx as x ...
3
votes
1answer
765 views

Join a piecewise plot

I wrote some code to get a piecewise plot which is displayed correctly. Now I'd like to join the various parts of the plot, using some kind of interpolation, to get a continuous chart even though it's ...
4
votes
1answer
211 views

ContourPlot from Vector Data

I have data in the form of x, y, vx, vy where vx and vy are components of the velocity vector at point x,y. I want to plot a contourplot of this. How can I do that since contourplot asks for three ...
1
vote
3answers
398 views

How to revolve a surface about a line other than the $x,y,z$ axes? [duplicate]

I just started working with Mathematica 8 and I'm having trouble revolving a function the way I want. I have to revolve the function $x^2/4 +2$ and $y= 0$ around $y=6$ to form an ashtray, but I ...
16
votes
6answers
2k views

X-Y scatter plot with coloring dependent on Z value

I have an array of $(x,y,z)$ triples (array dimensions: N x 3), from which I can make a 2D scatterplot of $(x,y)$ values: ...
4
votes
1answer
546 views

Controlling ColorFunctionScaling

Is there a way to control the scaling of ColorFunction beside just to turn it off and on with ColorFunctionScaling? Two ...
25
votes
7answers
913 views

Graphical representation of a moving sound source

Some explanation since I have got a specific and another more open-ended question: I used two microphones in a 90° arrangement (see picture below) to capture sound from a source moving around the room ...
7
votes
2answers
269 views

Tick marks shrinking with ImageResolution [duplicate]

High resolution PNG export is handy for print quality plots, however tick marks are not scaling properly. Does anyone know a solution or a work-around, preferably for M7 (on Win7)? ...
7
votes
1answer
200 views

How to plot inequalities taking into account that points must be integers and not reals?

I have solved with Mathematica 9 the following integer inequalities using Reduce: ...
6
votes
2answers
3k 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 ...
2
votes
1answer
165 views

MatrixPlot for DFT in black and white with ContourLabel

I have several data files such as this: ...
2
votes
2answers
780 views

How can I invert the colors in a color bar

I have this Mathematica code ...
7
votes
1answer
886 views

How to zoom and pan a ListLinePlot?

I'm using ListLinePlot inside a Manipulate function to display some data. I've seen that Mathematica allows zooming and panning ...
4
votes
2answers
648 views

Plotting a vector field

Can I somehow plot a vector field and the scattered data point associated with each and every vector? Also, is there any way to prevent Mathematica from interpolting the vector field? I am trying to ...
2
votes
1answer
269 views

ParametricPlot3D doesn't appear

Here I have one simple system solvable with NDSolve. I don't know why ParametricPlot3D doesn't present trajectory in space. I have solutions for x[t], y[t] and z[t] ...
2
votes
0answers
40 views

Plot3D has a break in the center of the plot [duplicate]

I am trying to plot a relationship using Plot3D and for a reason I cannot figure out the function is not evaluated in the middle of my range. If I take a 2D slice ...
13
votes
1answer
618 views

Changing line thickness without changing line length

Is there any way to change the thickness of line without changing the width? For instance, the following example shows that as thickness increases, the white gap decreases. Is there any way to ...
4
votes
1answer
112 views

How can I highlight the vanishing-partials in an interactive 3D plot?

I am using Manipulate and Plot3D to plot a function with two real variables and two extra parameters. ...
4
votes
2answers
3k views

How to use a 3×3 covariance matrix to plot an error ellipsoid?

I have a 3×3 error covariance in Mathematica, but I don't know how to use it for plotting the error ellipsoid. It would be great if you can show me how I can do that for the below covariance matrix: ...
3
votes
1answer
434 views

Exporting a Video of a Simulation of Pendulum Motion

In a series of previous questions, I asked how to solve a series of differential equations describing a series of coupled pendulums, and then how to plot this data by coloring the different pendulums. ...
4
votes
1answer
518 views

Show doesn't show all the plots

I try to combine three list plots with the Show command. Here is the first one: ...
8
votes
2answers
4k views

Increasing the thickness of line in plot legend

I've been using the shiny new legends in V9 for my plots. However, I usually increase the Frame/Axis ...
3
votes
1answer
384 views

BarChart and Log Scale results in different bar origins

I want to create a bar chart from two different data sets. ...
5
votes
3answers
770 views

Using PlotLegends

Please don't answer this with "Just trash PlotLegends" or anything like that as I have tried homebrew solutions. I keep running into problems which I can't debug as ...
1
vote
1answer
160 views

Need assistance with plotting Cell Center Points and Normals (ListPlot, ListVectorPlot)

This is the CellCenter datapoints and associated Normals data: http://wikisend.com/download/458974/CellCenters-and-Normals.dat The dat file contains data points for x,y coordinates and x,y ...
16
votes
3answers
2k views

Making Axes logarithmic in 3d plots

I've been trying to get loglog plots in 3D, but to no avail. My initial approach was to take the logarithm inside the plot i.e ...
1
vote
1answer
146 views

Using only two colors in a ListPlot3D

The data I have given here will plot the data in ListPlot3D function and gives the visualization of bars on the plot. I want to customize the color for the bars in ...
10
votes
4answers
886 views

Coloring Points in a Plot, based on their position in the list

Before I describe the question, I'd like to say that I've seen the excellent answers posted here but have not managed to get them to work for my own data. I have a list of values that I would like to ...
23
votes
2answers
2k views

Making a presentable BarChart

I've been asked to reproduce a bar chart generated in Excel in Mathematica. The original Excel chart looks like this; My Mathematica version looks like this; There are a couple of things wrong ...
3
votes
1answer
943 views

Increasing the size of numbers in a legend bar

I would like to know how you go about increasing the size of numbers which appear in a legend to make them larger than the default (which is too small for publication purposes). Example: ...
3
votes
3answers
703 views

ParametricPlot and PlotLegends don't seem to cooperate

I noted that only part of the legend shows up in ParametricPlot using v9's PlotLegends: ...
2
votes
2answers
413 views

How can I draw temperature 3D plot?

I want to draw temperature 3D plot based on given data points {{x1,y1,z1},{x2,y2,z2},...}. Here z coordinate is temperature.Am going to Show the temperature z in corresponding {x,y} coordinate. In my ...
0
votes
1answer
217 views

Why won't ContourPlot accept a variable argument? [duplicate]

I have a list of linear inequalities which describe a (polygonal) region. I can use RegionPlot to visualize this region; but I'd also like to overlay this plot with ...
0
votes
2answers
406 views

Cumulative frequency plot

I have the following data: data = {{0, 0}, {20, 1.4}, {25, 9.8}, {30, 32.2}, {35, 38.2}, {40, 15.6}, {45, 2.7}, {50, 0.1}}; where the second coordinates are ...
2
votes
1answer
277 views

Interpolation on large 2D list results in erratic function

Previously, I've had problems with Mathematica interpolating and plotting 3D lists, but I finally managed to do so by rescaling the x and y-axes with the help of the methods proposed here. Now my ...
4
votes
1answer
175 views

Plot3D list elements

I've been having some trouble with Plot3D. I have a quite complex function of two variables (actually three but the first one doesn't matter) that returns a list ...
3
votes
3answers
416 views

Horrific Looking Contour Integral in Mathematica Plot:

I'm attempting to display the geometric meaning of a contour integral but as you can see, the typesetting of the contour integral (created via the Epilog function) looks awful because the contour ...
10
votes
3answers
790 views

Dashed mesh behind 3D object

I am trying to create a simple, almost transparent 3D sphere with a mesh that is made of solid lines if they are on the front surface (i.e. if they are directly visible) and of dashed lines if those ...
2
votes
1answer
136 views

Avoiding the re-evaluation of a RegionPlot3D

Is there a simple way to save the output from RegionPlot3D so as to avoid re-evaluating when the notebook is re-opened and Show ...
4
votes
3answers
652 views

Graphical Plots of PDF and CDF

I have a joint density and distribution function that I want to plot in a meaningful way, (i.e., want to be able to see how the functions behaves as changes in x and y happen simultaneously. If ...
10
votes
4answers
985 views

How to draw a higher-genus surface

NB: By higher-genus surface, I mean a closed orientable surface of genus at least 2. This question has come up before on math.SE, and even MathOverflow, but most posters suggested using either ...
4
votes
1answer
103 views

How can PixelConstrained be emulated with DensityHistogram?

This DensityHistogram doesn't display very well. Some bins are shown much larger than others and, oddly, empty bins appear to be drawn smaller than occupied bins. ...