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

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22
votes
2answers
595 views

Specifying non-conflicting PlotTheme options

A bug or limitation in 10.0.0 affects a few of these examples; it was resolved in 10.1.0. I am trying out Mathematica 10 on https://programming.wolframcloud.com. ...
17
votes
4answers
3k views

Spherical density plot of data set

I have a somewhat large number of 3-dimensional unit vectors ( ~ 100 000 unit vectors), and I am trying to visualize their distribution. First thing I tried was ...
18
votes
2answers
913 views

Interactively extract points from a plot (ListPlot or SmoothDensityHistogram)

Is there a way to dynamically define a polygon on a plot (I'm working with ListPlot and SmoothDensityHistogram) to select a ...
15
votes
5answers
3k views

Styling ticks in a plot

I managed to turn the ticks inside-out but the ticks go now through the numbers. In fact I would like to have it like in the picture attached (ticks pointing outside the plot and no additional ticks ...
9
votes
1answer
433 views

FullGraphics ticks problem

In the document of FullGraphics, it promise to produce the same graphic result as the input one: ...
5
votes
3answers
5k views

How can I label a ListDensityPlot with a color bar?

Here is an example of what is desired, only the result wouldn't be a contour plot, but a ListDensityPlot. The arguments would be a gradient and a list of numbers.
18
votes
4answers
7k views

Remove tick labels, but retain tick marks in RegionPlot (and related functions)

I would like to remove the numbering on the axes of the following RegionPlot. I would like to keep the tick marks but drop the numbering, I haven't figured out how ...
11
votes
3answers
1k views

Smoothing ListContourPlot contours

I have some data of type {{x1, y1, f1}, {x2, y2, f2}, ...} and want to do ListContourPlot. However, there is a problem that the ...
9
votes
2answers
3k views

Two x-axis with different units connected by function using CustomTicks

I am trying to make a plot of some photoluminescence data, where wavelength is on the x-axis, and intensity is on the y-axis. Also, I would like to have the graph boxed, with the upper x-axis having ...
16
votes
2answers
2k views

How to get StreamPlot to draw many hundreds of streamlines?

For artistic reasons, I want to draw an extremely dense StreamPlot with something like a thousand streamlines. I tried setting ...
10
votes
2answers
10k 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 ...
5
votes
2answers
5k 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: ...
14
votes
3answers
1k views

Is it possible to position ticklabels on the negative y axis on its right side?

Is it possible to position ticklabels on negative $y$ axis on its right side? Ticklabels on positive $y$ axis should remain as usual:
14
votes
4answers
595 views

How can I turn off SingleLetterItalics in PlotLabels, etc, when the Options Inspector won't do it?

One of the requirements set for the graphing project I am working on is that plot and axis unit labels sometimes need to include superscripts. Here is an approximately minimal example (I have some ...
7
votes
1answer
743 views

Cropping a plot via a command

I have a plot with some whitespace I'd like to get rid of. Ideally, I'd like to use a command like "ImageCrop", but for non-raster graphics (ImageCrop rasterizes the graphic). The Mathematica ...
3
votes
3answers
1k views

Trouble with fonts when exporting a 2D-plot to vector formats

I've set up my plot to look exactly how I like it. At least it does so on screen. Upon export though, only the bitmap formats look the same. For PDF and EPS, the FontSize seems to get ignored and the ...
17
votes
2answers
1k views

RegionPlot is producing odd gaps, even for simple functions. Is there an option to prevent this?

When I use RegionPlot to plot the region between two functions, I get strange gaps in the resulting figure. Is there a way to prevent this from happening? For ...
11
votes
2answers
894 views

Simple problem with Manipulate and Plot

Would anyone have an idea why the following doesn't work: rule = {z -> x^2 + 2 x + y}; Manipulate[ Plot[z /. rule, {x, 0, 10}], {{y, 2, "y"}, 1, 5} ] But ...
11
votes
2answers
803 views

About number truncation of ticks display in ListPlot

In my problem, I need to plot a figure in a relatively small region of the $x$ axis, e.g., ...
9
votes
4answers
474 views

Plotting the components of a function that returns a list in different colors without redundant evaluations of the function

I have a function f which takes a number as input, and returns a list of numbers (the length of the list is constant). f is hard ...
14
votes
5answers
1k views

Changing the order of elements in a chart legend

In a stacked BarChart or Histogram the bars are stacked from bottom to top, while the legend entries are listed from top to ...
13
votes
0answers
215 views

More Ticks::ticks errors in AbsoluteOptions in v10

Bug introduced in 7.0 or earlier and persisting through 10.2 or later While the specific bug affecting Plot described in AbsoluteOptions prints error messages in ...
17
votes
1answer
1k views

How to draw grid lines on top of a plot?

I want to use ArrayPlot instead of a DensityPlot because it seems to be faster (more here) I still want axes ticks to have real ...
10
votes
4answers
1k 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 ...
9
votes
2answers
2k views

Legends in combined Plot and ListPlot

I have a set of data ...
9
votes
5answers
497 views

Manipulate Exp[I θ]+b Exp[-I θ]

I've uploaded an image showing a demonstration I'd like to create, but I definitely need help. There is a lot of talent on this list, so maybe someone can help me get started learning how to add ...
7
votes
2answers
2k views

Formatting Ticks and FrameTicks labels with a function

Is there a convenient way to format tick labels? In this example I would like to use the default Mathematica tick intervals, but simply convert the X axis labels to strings with "s" added. As you ...
3
votes
1answer
812 views

How do I cut down on file size of exported eps without losing quality?

I need to import the following to eps so that I can put it into my TeX file. The problem is two-fold: the exported file looks terrible (unlike the Mathematica output), and secondly, the file size is ...
2
votes
2answers
1k views

How to prepare data for ListVectorPlot[]?

I was trying to plot a few velocity vectors measured at given points. However I am unable to do this with ListVectorPlot[] function. I get error each time I try to ...
14
votes
3answers
8k views

Plot data from txt file?

I have data in file.txt which can be expressed by 20000x11 matrix. I do not want to import all of these data. How can I plot graph of the column 1 & column 4?
8
votes
2answers
339 views

How to display the support $\mathrm{supp}(f)$ of a piecewise function $z = f(x,y)$?

I'm wondering how to display the support $\mathrm{supp}(f)$ of a piecewise surface $z = f(x,y)$. As an example, let's consider the following piecewise function (and plot it): ...
7
votes
3answers
931 views

Problems with PlotStyle in mathematica 10

Bug introduced in 9.0 and fixed in 10.0.1 The simplest way to ask is to post the code of what I'm doing: ...
3
votes
1answer
280 views

Indeterminate expression 0^0 encountered

I'm new in Wolfram Mathematica so the the question may seem quite simple. I define the following function ...
2
votes
1answer
591 views

ContourPlot shows only part of the contours [duplicate]

Consider these contour plots: f[x_,y_]:=Cos[x] + Cos[y] ContourPlot[f[x, y] == 0, {x, 0, 4 Pi}, {y, 0, 4 Pi}] ...
226
votes
5answers
109k views

How do I draw a pair of buttocks?

I'm trying to develop a function which 3D plot would have a buttocks like shape. Several days of searching the web and a dozen my of own attempts to solve the issue have brought nothing but two ...
16
votes
4answers
4k views

Plotting Fourier spectrum versus frequency of a signal

I have looked around here, and i am sure this has been answered, but i don't understand it. The thing is, I have taken a introductory signal processing course, and we had to use Mathematica, and i had ...
24
votes
4answers
875 views

How can the opacity of a dense data set be automatically chosen?

The problem In a dense data set plotted with opaque points, data points can pile on top of each other. This can cause serious problems with the interpretation of the plots. I'll use as an example a ...
18
votes
4answers
2k views

Plotting a contour on a torus

There are two ways to consider a two-dimensional torus. One way is to take a parallelogram (let's say the square $[0, 1]^2$) and topologically glue the opposite edges. Another way is to look at the ...
18
votes
5answers
4k views

How do I plot a plane EM wave?

I would like to display an electromagnetic (EM) wave. I have written code that works, but it does not "shade" the area between the graph and the axes. Both the ...
18
votes
3answers
7k views

adding labels to points in ListPlot

Table[{Re[5 Exp[I 5/2 t]], Im[5 Exp[I 5/2 t]]}, {t, 0, 6}] ListPlot[%] This code plots 6 points in the complex plane. To each point I would like to add a label in ...
13
votes
1answer
322 views

Plot one set of “x” with at least three sets of “y” in different scale

I'm sorry if the question is too obvious, but I haven't been able to find a straight answer for Mathematica. I have 1 set of "x" with at least 3 sets of "y" in different scales. I need to plot them ...
10
votes
2answers
503 views

How can I make a grid of plots with no spacing, and have the plots line up perfectly?

I am making a bunch of two dimensional plots and I would like to have them arranged in a grid with no space in between them. That is, I want their frames touching each other. My problem is twofold. ...
22
votes
2answers
5k views

What are the standard colors for plots in Mathematica 10? [duplicate]

Mathematica 10 release appears to have changed the default styling of plots: the most visible changes are thicker lines and different default colors. Thus, answers to this stackoverflow question are ...
24
votes
2answers
2k views

How to plot planar graphs as such?

A planar graph is a graph that can be drawn in the plane such that no two edges cross. For example, the graph ...
19
votes
3answers
846 views

Centering date labels over the year in a DateListPlot

The canonical formatting for date labels in a DateListPlot is for the year or other date label to be centered over the tick at the start of the relevant period. ...
10
votes
2answers
360 views

How to draw the image of a circle under the action of a transformation of the phase flow?

How to draw the image of a circle $x^2+(y-1)^2<1/4$ under the action of a transformation of the phase flow for the equation $\dot{x}=y,\ \dot{y}=-\sin x$? Here $\dot{x}$ means $dx/dt$. Any help or ...
14
votes
3answers
1k views

Why doesn't PlotMarker option None return no PlotMarkers?

After reading the PlotMarkers documentation it seems to be all or nothing. For example if you wanted markers on some of you lines the code below seems ...
11
votes
2answers
1k views

How to show values of points on surface plotted with ContourPlot3D

The help for ContourPlot3D starts with this example ContourPlot3D[x^3 + y^2 - z^2 == 0, {x, -2, 2}, {y, -2, 2}, {z, -2, 2}] This returns a Plots of the surface ...
10
votes
3answers
1k 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 ...
9
votes
5answers
692 views

Create filling between two trig functions

Working with trig functions, period, amplitude, etc. I found a worksheet at a calculus website, with some nice questions related to interpreting trig functions, at least, they provide some "fun" ...