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

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5
votes
2answers
73 views

Why does Rotate in PlotMarkers behave strangely?

While answering Change the inner color of markers I came across a behavior that may be a bug. I would like to know if there is another explanation. First a basic example of normal behavior: ...
2
votes
2answers
109 views

Manipulate is evaluated slowly

I have this function: f[k_, θ_, ϕ_] := Cos[k*Cos[θ]*x + k*Sin[θ]*y - ϕ] I want to change the parameters $\theta, \phi,$ and $k$ to see the effects on the ...
4
votes
2answers
100 views

How can I make DensityHistogram obey the lower bound in PlotRange in version 10?

Bug introduced in 10.0.0 and fixed in 10.0.1 In version 9, DensityHistogram worked with PlotRange as expected: ...
1
vote
2answers
332 views

3D Contour Plot parts of sphere with gradient less than 0, equal to 0 and more than 0

I want to plot only parts of the sphere of radius 1 where the gradient $\frac{\partial z}{\partial x}$ is < 0, = 0 and > 0. The full sphere is given by: ...
2
votes
1answer
138 views

ListPlot with conditions

I have a data file containing the position of about $10^5$ stars of a spiral galaxy. Here is the plot and this is the corresponding code ...
6
votes
1answer
202 views

How to plot stability region of Fourier analysis

Stability limits for Runge–Kutta methods in the complex ΩΔt-plane are needed to be plotted like this: For example, let P=1+z where ...
0
votes
2answers
111 views

How can I graph an equation with five variables?

{c*((a - b*Cot θ)/(Subscript[r, 1])^4) + ((b*Csc θ)/(Subscript[r, 2])^4) This is a form of Poiseuille's Law I need to graph. I want the value of the variables to ...
3
votes
2answers
190 views

Fourier Analysis: How to get rid of a discontinuity

When I compute the phase error of a spatial series data using Fourier analysis in Mathematica there's a discontinuity @ parameter ...
4
votes
2answers
167 views

Plot more points only in specific region of plot

I have the code shown at the bottom of this question which generates a 3D plot. There are locations where the two surfaces you see form cones and touch at infinitesimally small points. These points ...
4
votes
0answers
356 views

ErrorListLogPlot gives wrong error bars on log scale

From this and this post I learned how to use ErrorListLogPlot and its family to add error bars on top of a list of mean values. However, consider this simple ...
0
votes
1answer
89 views

Plot groups based on unique tag

I have a .csv file that has 12 columns and 511 rows. data = Import["C:\\Users\\Documents\\data\\AllResults\\result1.csv"]; The first two columns are id tags. I ...
11
votes
3answers
745 views

Change the inner color of markers

I would like to have a marker with white as its inner color, to be able to make this kind of graph: If I use PlotMarkers -> Style["\[FilledSquare]", White], ...
3
votes
0answers
65 views

BoxWhiskerChart with logarithmic axes 2

I actually already found my answer on the question, however it is not working. see BoxWhiskerChart with logarithmic axes I want to create a boxwiskerchart with a logaritmic axes. But when I try ...
2
votes
2answers
108 views

Show the arrows in a plot [closed]

I have two plots: ...
15
votes
2answers
819 views

PlotMarkers problem in ErrorListPlot, Mathematica 10

Bug introduced in 10.0.0, fixed in 10.1 I recently upgraded to Mathematica 10, very excited about the multiple undo function of course. However I very quickly noticed that if I specify a setting ...
0
votes
1answer
127 views

Is it possible to plot a second-order curve by its non-canonical equation?

I have this second-order polynom: $$ 6xy+8y^2-12x-26y+11=0 $$ And I need to reduce it to a canonical form of a second-order curve. I solved this, but is it possible to draw a plot of the original ...
2
votes
2answers
875 views

How to automatically plot asymptotes? [closed]

I'm a newbie to Mathematica and I'm reading through "The Student's Introduction to Mathematica, Second Edition" and am on the "Using Mathematica’s Plot Options" section of chapter 3. The examples for ...
1
vote
1answer
77 views

Manipulate gives the output as a blank plot, but I'm not sure why [duplicate]

I'm using Mathematica 9 to try to manipulate a 3D plot. My code is: ...
3
votes
2answers
328 views

Exporting an overlay of two plots

I have a ListLinePlot and I'm trying to place a close-up of a specific range in the ListLinePlot. Using overlay I solved this problem with: ...
1
vote
2answers
84 views

why the variable scope is not local when using evaluate to plot multicurve?

I noticed a surprising problem when using evaluate to plot multicurve, "evaluate" function actually consider global variable first, not the local! I can illustrate the problem using the following ...
3
votes
4answers
193 views

Controlling the placement of the y-axis

I use ListPlot for showing the results of my numeric computation. I make my own ticks, so I never know before hand where the vertical center of my plot will be. ...
3
votes
1answer
130 views

Interpolation function rejected by ParametricPlot3D

I was playing around with the bouncing ball example, and decided to make a 3d version. I decided to use ParametricPlot3D for a simple independent 3D ...
2
votes
2answers
350 views

How do I exclude the vertical line plotted at a discontinuity?

Condsider function = Tan[1 x] + Tan[2 x] Plot[function, {x, 0, 1.5}] It has a strong discontinuity around 0.8. The problem is , if I want to find ...
3
votes
1answer
113 views

How do I plot a U- form cylinder

I'm really new to Mathematica, trying to learn some things, but I need help trying to plot this kind of cylinder, a U tube like cylinder. Tried to use an example code like this, and then vary some ...
-2
votes
1answer
46 views

Specifying parameters for the Ticks option [closed]

I'm trying to use Ticks option with ListLinePlot to put ticks at 1, 2, 3, 4, 5, 6, and 7 on the x-axis the points and at 1, 2, ...
7
votes
3answers
287 views

“NotAvailable” and “NotApplicable” data points returned by WeatherData[]

I am trying to use ListVectorPlot in combination with WeatherData and CountryData to show ...
5
votes
5answers
268 views

Providing a color function for ListPointPlot3D

Is there a way to write ListPointPlot3D expression, so when given a list of points, the the color of the points plotted is a function of the index/element number of ...
17
votes
1answer
364 views

How can I mend this broken heart?

Try to evaluate the following code: ...
2
votes
0answers
43 views

How to avoid joining MathieuCharacteristicA in a plot? [duplicate]

In the documentation As a function of the first argument, MathieuCharacteristicA is a piecewise continuous function So how to avoid joining different pieces of the function? For example, ...
0
votes
2answers
84 views

Changing the data indices for a large dataset plotted with ContourPlot

I have a large (square) dataset that I am plotting with ListContourPlot ... The data is 128x128 -- without coordinates for each point. I.e. - {{0,0,1,0,...,0},{0,2,1,1,...,1},...{3,1,1,1,...,2}} So ...
7
votes
1answer
150 views

One ChartLegend for multiple charts in Dataset?

Dataset's documentation shows how to leverage GroupBy operator at multiple levels ...
4
votes
2answers
435 views

Extrude 2D cross-section to 3D shape with shrinkfactor

I would like to create a 3D shape from extrusion and scaling of a 2D contour. The 2D contour that I have looks like this: and it consists of a bunch of points (here plotted with ...
5
votes
3answers
224 views

Spike train representation

I have a spike train. The data shows the time at which the neuron fired a spike. I want to plot them like this picture: Here is the data for one spike train which corresponds to the one of the ...
6
votes
2answers
514 views

Line style thickness differences between Mathematica 9 and 10

I execute the same code in Mathematica 9 and MAthematica 10, and have this different results. ...
1
vote
1answer
84 views

Constraint in a 2D plot with Legend

I have the following plot: ...
0
votes
0answers
63 views

Set min and max ranges for axes in ParametricPlot

I'm having trouble with this one plot I'm trying to make. I'm using NDSolve on a system of differential equations and when I plot it with ParametricPlot, the scales or lengths of the graphs axes come ...
1
vote
2answers
291 views

Line Breaks in AxesLabel or PlotLabel?

Searching got me peripherally related threads, but not exactly what I was looking for. I'm making some graphs which I want to use on exams. Sometimes, labels (specifically in AxesLabel and PlotLabel) ...
3
votes
2answers
213 views

Contourplot of complex Roots

Suppose I have this equation: $$ z^2 + 3z + (x^2 + y^2) = 0 $$ I want the real and complex contour plot of $z(x,y)$. Analytically, the real/imaginary boundary is separated by condition $x^2 + y^2 ...
0
votes
3answers
102 views

How to draw a plane parallel to one of the coordinate planes? [closed]

Sorry for the fact that I ask actually the same question on three different stackexchange sites (stackoverflow, mathematics and now here), but I need to find an answer to my problem as quickly as ...
0
votes
0answers
138 views

Plotting Geodesics in Kerr

I'm interested in plotting the trajectories of null geodesics near a rotating black hole (given by the Kerr solution) which involves a system of first order differential equations. Some Context (not ...
4
votes
2answers
299 views

Conversion of 3D plot to 2D Contour Plot

Is it possible for Mathematica to convert a 3D plot into a 2D contour plot without having to recompute the values for each point? I realize that looking directly down at the 3D plot will be similar to ...
0
votes
2answers
106 views

Plot a perfect looking circle using two functions, always look like an ellipse [duplicate]

I want to use the the following two functions to plot a perfect looking circle, but the graph always ends up looking a bit squashed. I've been playing with some of the parameters of the function but ...
0
votes
1answer
73 views

What is wrong with ContourPlot [duplicate]

Why does this plot have a big blank hole in it? ...
3
votes
1answer
128 views

Aborts and beeps without error warning

I have a piece of code that generates a figure, performing a calculation to generate each pixel. At a certain resolution it runs fine, but after a high enough resolution it fails. Mathematica beeps ...
0
votes
0answers
64 views

I see error messages when I use LogLinear Plot but not when I use Plot

I have written an application with Manipulate that plots the results of several calculations. What I find strange is that when I have my application use ...
0
votes
0answers
83 views

How can I scale a plot in my Manipulate?

I want use scale in the same way as Mister Trevor Cole in his most excellent demonstration at the Wolfram Demonstrations site: ...
0
votes
0answers
68 views

Replace parameter of NDSolve by a Function

I dont know how to replace the paremeter inside of an interpolation function result from NDSolve by a function of another parameter. This is it: I have a ...
5
votes
2answers
264 views

Where can I get detailed information on how the Plot command works?

The command Plot[x^2, {x, -3, 3}, PlotStyle -> Arrowheads[{-.025, .025}]] /.Line -> Arrow produces this output. What I don't understand is what ...
2
votes
1answer
86 views

What is the correct way to plot a dynamically generated list of functions?

For example, I want to generate a list of random waves and plot them. Then I wrote f:=Random[Real] h:=Floor[f*20] And then ...
15
votes
4answers
596 views

HoldForm doesn't hold form

Bug introduced in 10.0.0 and fixed in 10.0.1 In Mathematica version 10, HoldForm no longer produces the same results as in version 8 (edit: I only have versions ...