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

learn more… | top users | synonyms (12)

3
votes
1answer
359 views

ContourPlot is slow and unwieldy and generates a large-data graphic

I'm constructing a single contour showing the points in a plane that satisfy a function. The general form is ContourPlot[f[x, y] == 0, {x, 0, .5}, {y, 0.2, .5}] ...
1
vote
0answers
176 views

Double helices inside an ellipsoidal cavity

This question may be related to a previous query at Plotting a contour on a torus My question is how do you enclose double helix structures (see demonstrations.wolfram.com/DoubleHelix ) inside an ...
2
votes
1answer
279 views

Find solutions of equation involving Bessel functions

I'm new in Mathematica and I'm trying to find the solutions of this equation involving Bessel functions $$\eta \frac{ J_{n+1}(\eta a)}{J_n(\eta a)}+\chi \frac{ I_{n+1}(\chi a)}{I_n(\chi a)}=0$$ ...
1
vote
1answer
1k views

Changing the x-axis data range

I have a series of data and Ive ploted them by mathematica.how can I change the x-axis scale?for example instead of "x" being between 0-300, I want to plot my data between 0-2 scale. this is my code: ...
7
votes
2answers
294 views

Get name of hidden inbuilt functions (like Ticks drawing)

how do I get the name and definition of a builtin Mathematica functions? For instance, I would like to see how default Tick plotting function is implemented. However, it is not clear where it is and ...
10
votes
2answers
365 views

How to round tick line ends in the plots

I would like to have rounded ticks in my Mathematica plots. They look much better for thick frames ...
6
votes
1answer
382 views

Using Manipulate to dynamically correct the baseline of a signal

i have data with a baseline and will correct it with a polynomial fit using Manipulate to see immediatly the changes in the resulting spectrum. It works so far, but ...
7
votes
3answers
1k 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: ...
4
votes
3answers
236 views

Use TraditionalForm (or something similar) in AxesLabel/PlotLegends

I use the following command to export plots to PDF which I then use in latex: ...
9
votes
3answers
412 views

Wrong plotmarkers in the legend generated by ListLinePlot

Bug introduced in 10.0 and fixed in 10.2 or earlier ListLinePlot generates the same legend for different lists of data when ...
2
votes
1answer
91 views

Plotting a piecewise function with strange subdomains

I have a function, which analityc expression is $C=2*max[b-c,0]$(you can see the expressions of b and c down). Then I have to considerer $q_\pm=\frac{(1\pm \sqrt{ (1-C^2)})}{2}$ and then to plot $E_n=-...
1
vote
2answers
95 views

Problem with FrameLabel in the ErrorListPlot function

I've been trying to print information on the axes of a graphic. I'm doing that by the option FrameLabel in the ErrorListPlot ...
4
votes
3answers
199 views

Dynamic ListLinePlot

I have a list of lists looking like this: {{{x1, y1}, {x2, y2}}, {x1, y1},...}}. Furthermore I have defined a legend, which is taken from the filenames. Now I want ...
8
votes
3answers
372 views

Timeline plotting: horizontal bars of time intervals

This text file logs the time that a process (identified by a number) changes state ("Brown", "Blue" etc.") ...
1
vote
1answer
186 views

3D Contour Plot - parts with gradients less and more than zero

I'm trying to plot sections of the 3D Contours, with gradient less than zero, and more than zero and equal to zero. It manages to solve for the derivative, but when I apply the conditions ...
8
votes
2answers
478 views

Why PlotLegends doesn't give the legends ?

I am using Mathematica 9. The problem I have is with plotlengends, in particular, ...
2
votes
2answers
441 views

Listplot imaginary part of complex numbers

I have the following list w={{0.01,99 +0.00001414 I},{0.15,6.6370108 +0.003144129 I},{0.25,3.9515722 +0.00854493297 I},{6,0.10041 +0.28132187 I}} and I want to <...
6
votes
2answers
657 views

Plotting spherical surfaces

I am trying to make surface plots of squashed spheres. The spheres are defined by a list of points. For simplicity, consider the round sphere: ...
13
votes
1answer
483 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 ...
4
votes
3answers
275 views

I need to remove a line from a ParametricPlot

What happens is that when I make this ParametricPlot: ...
2
votes
1answer
131 views

Plotting a region with thin cusps in high-definition via RegionPlot

I want a high-definition picture the real solutions $(s_1,s_2,s_3)$ of the system of inequalities $3 s_1^2 < (s_2 - s_3)^2 + 2 s_1(s_2 + s_3)\\ 3 s_2^2 < (s_1 - s_3)^2 + 2 s_2(s_1 + s_3)\\ 3 ...
3
votes
2answers
113 views

Adding Text to a ListLogLinearPlot [duplicate]

I have a problem with adding text to a ListLogLinearPlot plot. The text just doesn't show up anywhere. If I use the normal ListPlot, the text coordinates go perfectly wherever I want them to: ...
2
votes
1answer
116 views

Is there a reason why some specific arrangement of scattered grid points would yield bad RBF (Obtuse package) interpolation results?

I have an arrangement of grid points given by the figure below (the datagrid data is posted below at the end of the post): They correspond to electrode positions of an EEG signal. I am ...
7
votes
4answers
435 views

Speed up Schwarz-Christoffel mapping

I would like to ask your advice how to speed up Contour and Parametric plots in the following example. Let as start by defining a function ...
7
votes
2answers
549 views

A topoplot function for Mathematica

Matlab's EEGlab toolbox has a topoplot function: http://sccn.ucsd.edu/eeglab/ A typical topographical plot of an EEG signal is given below: How can I reproduce this in Mathematica. I know that ...
3
votes
0answers
93 views

Bug when using Plot3D over an ImplicitRegion?

Evaluating this expression seems to cause Mathematica to beep and quit the kernel: ...
10
votes
1answer
570 views

Plotting a region with polar axes

I want to plot the region of points who satisfy the following equation: 2 < r <= 5 && 3/4 π < θ <= 5/4 π I have been able to plot region in ...
2
votes
2answers
97 views

InterplationOrder, ListPlot3D and using AbsoluteOption to find value used. Slow using InterpolationOrder

What lead to this, is when I noticed that ListPlot3D was much slower when adding a specific InterpolationOrder->n vs. not and ...
2
votes
1answer
99 views

Stochastic Approximation and Simulation using Running Median

I have a function $$F(X_{t+1},Y_{t}^{med})= \alpha X_{t+1} + (1-\alpha) Y_{t}^{med},$$ where $$Y_{t}^{med} = Median(Y_1, Y_2,... Y_t).$$ Moreover, $Y_1 = X_1$ and $Y_t = F(X_{t},Y_{t-1}^{med})$ $\...
2
votes
3answers
195 views

Plot a one-dimensional list of numbers as a column/row of labeled colored squares

I have a list of numbers and a matching list of labels. I want to plot a column of colored squares, with the color of each square matching (in some color scale) the value of the corresponding number. ...
6
votes
1answer
321 views

ListPolarPlot: 0 Degree at vertical axis

Is it possible to have ListPolarPlot start plotting at the vertical axis? By Default ListPolarPlot gives this result: ...
3
votes
1answer
171 views

Filling dependence on order of points in ListPlot

ListPlot[{{{1, 0}, {0, 0.5}}, {{1, 1}, {0, 1}}}, Filling -> {1 -> {2}}, FillingStyle -> LightGray, Joined -> True, Frame -> True] Results in no ...
1
vote
2answers
183 views

How to do a region plot with many functions [duplicate]

Hello i am trying to compare many function, i want to see witch one as the lowest value depending on 2 variables. My solution so far is something like this: I have 7 function: P1 P2 P3 P4 P5 P6 P7, ...
4
votes
5answers
911 views

Ordering the Boundary points of a Polygon

I feel like this should be simple, but I keep running into walls. Say someone gives you the coordinates of the vertices of a pentagon and the center point of the hexagon. Is there any way to get an "...
6
votes
1answer
206 views

How to make Epilog render behind the main plot [duplicate]

Consider this example: ...
1
vote
1answer
196 views

Missing arrow tips and colors

My main problem is: I plotted a curve here, but the tip of some arrows are missing. Why does this happen, and how can I fix this? Not the main problem: Also, I once tried to make the arrows with ...
11
votes
5answers
674 views

What is my problem with MeshFunction?

I want plot the max value in a sine plot. We can use the following code ...
2
votes
2answers
129 views

Plot help with axes coordinates

Plot[{4 - 2 y, (5 + y)/3}, {y, 1, 10}] How do I make Mathematica tell me the coordinates for cuts with the y-axis, other than just looking at it?
6
votes
1answer
410 views

How to combine Plot and GeoGraphics?

I want to combine this map as "background" of this combined plot. How can I do it? The documentation doesn't show any similar demonstration. ...
4
votes
2answers
417 views

Adding a thick curve to a regionplot

Suppose we have the following simple RegionPlot: ...
4
votes
3answers
193 views

Plot failing over set domain with any functions

I'm here with a rather interesting problem which I have no clue how to fix. I am trying to plot a function: Plot[x && 0 <= x <= (1/8), {x,-9,9}] ...
5
votes
1answer
467 views

How to graph the revolution of solid limited by 2 points in x axis [duplicate]

I'm learning how use this program. And I have problem with how graph the solid of revolution.Here i write one exercise. y=2-1/2x, y=0,x=1,x=2; about the x-axis. This is the graph also the volume x=...
9
votes
3answers
535 views

Torus triangulation

I'd like to plot something similar to this but with a triangle instead of a pentagon. Also, I'd like to triangulate the faces, that is, to insert the diagonals for each face of the 3 prisms used. In ...
4
votes
1answer
312 views

ArrayPlot copied to PDF shows blurred mesh [duplicate]

Certain (but not all) images displayed in ArrayPlot, and then copied to PDF, show what appear to be fuzzy mesh lines in white areas. An example is shown below. I ...
8
votes
1answer
222 views

How do I speed up a plotting of NIntegrate when repeated multiple times inside Plot?

I am studying a set of functions (many of which I know only as a definite integral) and I have assembled into a list. Here is a sample: ...
14
votes
2answers
494 views

Export Plots to PNG in Printout Style

When creating a plot in Mathematica 10 (OS X 10.9.4 and Win 7) the FrameLabel and Ticks are greyish and only the Frame itself is black (see Screenshot bellow). Only when exporting the plot to PDF all ...
4
votes
4answers
141 views

Plot range of a 2-dimensional function as a function depending on one variable

I want to plot a function of 2 variables x and y, for discrete values of y, like: ...
2
votes
1answer
282 views

Transparency in a 3D plot

How can I make the plane in the first image more like the plane in the second? More transparent, specially. I tried messing with the Opacity and ...
2
votes
1answer
296 views

How can I plot a circular region and lines?

I am having difficulty plotting something along these lines in Mathematica. I will explain what is going on here. Basically, I am solving an interval equation $ax=b$, in the first example $a = [1, ...
-1
votes
1answer
237 views

Formatting and inserting a parameter table into a plot

I'm fitting data, and I want to put the parameter table generated by NoninearModelFit into the plot. How can I do that in a reasonable way? I want to format the ...