Questions on creating visualizations from functions or data using high-level constructors such as Plot, ListPlot, Histogram, etc.
1
vote
1answer
75 views
1
vote
2answers
78 views
Font size in PlotLegends, using Table to generate the list in the legend
I am currently trying to get to graph with several functions as below. My problem is that I cannot change the font size in the legend (authomatically generated numbers by "Table" function). This code ...
2
votes
2answers
226 views
Spreading colors in ListContourPlot
I have a data file with triplets. The first two numbers indicate the x and y position, while the third one is the log10 value of a particular indicator. I want to create a 2D plot in which the ...
9
votes
2answers
180 views
Tailoring RegionPlot3D with PlotPoints?
This seemingly tame solid gives Mathematica (v9) a bit of a workout if you want to generate a good picture:
...
5
votes
1answer
158 views
Error invoking Information on functions containing Legended
In adapting some plotting functions to utilize the PlotLegends option of version 9, I came across the following errors:
...
1
vote
0answers
37 views
Scaled ColorData Function [duplicate]
I have a four-dimensional array c, in which the first dimension represents time and the other three dimensions represent (x,y,z) ...
5
votes
1answer
181 views
1
vote
1answer
64 views
How can I assign specific colors and sizes to 2D coordinate arrays being plotted with ListLogPlot?
I'd like to plot two sets of coordinates in two different arrays using ListLogPlot, and be able to individually specify the sizes and colors of the datapoints for each array.
Things seem to work ...
0
votes
1answer
89 views
How to manipulate a Fourier sine series?
I would like to plot the Fourier sine series for $f(x) = x$.
I would like to manipulate the parameter n from $0$ to $10$ and plot the sine waves over $(0,1)$. My ...
5
votes
1answer
116 views
How can I change the size of the plot markers
I use ListPlot in order to plot four sets of data and also insert legends in my plot. Here is the Mathematica code
...
1
vote
2answers
162 views
Probability density histogram with unequal bin widths
I am confused by output of Histogram and HistogramList for probability density ("PDF") when ...
6
votes
3answers
568 views
How do I plot Thomae's function in Mathematica?
I wanted to plot this function
$$f(x) =\begin{cases}
1 & \text{if } x= 0 \\
\tfrac1{q} & \text{if } x = \tfrac{p}{q}\\
0 & \text{if } x \in \mathbb{R}-\mathbb{Q}
...
7
votes
2answers
199 views
Diagonal Tick Marks
I would like to draw diagonal tick marks around a plot, and simultaneously rotate the tick labels as well. I've mocked up what this would look like:
Is there an easy way to do this in Mathematica? ...
2
votes
1answer
143 views
rasterListContourPlot With PlotLegends in Mathematica 9
Jens Nöckel has write functions about (List) Contour Plots with rasterized shading in Mathematica:
http://pages.uoregon.edu/noeckel/computernotes/Mathematica/rasterContourPlot.html
It works well. ...
0
votes
1answer
91 views
Reversing axes to get Poiseuille profile [duplicate]
I am trying to plot my velocity profile, similar to this plot (not the arrows, just the shape)
Here is my function
...
1
vote
1answer
64 views
How can I nicely overlay fits for multiple arrays with ListPlot or ListLogPlot?
I'm plotting multiple lists with ListPlot[] or ListLogPlot[]:
ListLogPlot[{ListA, ListB, ListC, ListD, ListE}, PlotRange -> {{0, 100}, Automatic}]
I also have ...
1
vote
1answer
61 views
A weird thing about ListPlot3D [duplicate]
I plot the function f(x,y). x goes from 0 to 25 and y goes from 0 to 12.
So, my plot should look elongated since the range of x is twice as long as the range of y.
The problem is that, mathematica ...
3
votes
2answers
220 views
Plotting heat equation in a Manipulate expression
I have a 2D heat equation $u_t = \alpha (u_{xx} + u_{yy})$ with conditions:
$u(x, y, 0) = 300$,
$u_y(x, 0, t) = \mu_1(x)$,
$u_y(x, 1, t) = \mu_2(x)$,
$u(0, y, t) = \mu_3(y)$,
$u(1, y, t) = ...
2
votes
3answers
666 views
How to plot an ellipse?
I'm new to Mathematica, and I'm finding it difficult to plot an ellipse.
I tried using
Plot[(x/5)^2 + (y/3)^2 == 1, {x, -5, 5}, {y, -3, 3}]
but I'm getting ...
5
votes
1answer
183 views
LogPlot axes labels destroyed when working in high precision
(I'm using Mathematica 8.)
I have a Taylor series:
poly = Normal[Series[E^x, {x, 0, 10}]]
I want to produce a log-linear plot of the error. This is easy enough ...
1
vote
0answers
76 views
Mathematica 3-D plot (discrete/continous)
I want to visualize a 3-D function in Mathematica, Say F(x,y,z)=0, But there is a small difference here with typical z=f(x,y). Because of it's complexity, I decide to consider the z parameter as a ...
1
vote
1answer
85 views
How to insert a zoom inside the main plot
As the title indicates, I want to add inside the main plot (preferably at the lower left part) a zoom. Here is the corresponding Mathematica code:
...
0
votes
3answers
128 views
Finding the common areas of two contourplots
I used ListContourPlot to specify an area for which the function value is less than a number.
For example consider the following areas:
...
4
votes
1answer
82 views
Why do all plots open in new windows when I use JavaGraphics?
I want to open only one plot in new window.
When I use <<JavaGraphics` all plots open in new windows.
I put ...
0
votes
2answers
174 views
Difference of old Graphics`Graphics3D`ListSurfacePlot3D and the current ListSurfacePlot3D
Consider the following example data which creates the lines of a cylinder
...
4
votes
1answer
185 views
Contour heat graph (ListContourPlot?)
I have solved 2D incompressible Navier Stokes and written out a .dat file that includes x,y,u,v,p values. I am trying to get a 2D color heat graph like this one for my data
Here is what I have done ...
0
votes
1answer
86 views
2
votes
2answers
202 views
How to increase the number of minor ticks in a plot?
I want to increase the number of minor ticks in a plot, but I don't want to label them. I searched through this site and also Mathematica documentation, but I didn't find any solution yet. Could ...
0
votes
1answer
125 views
Plotting two surfaces and visualizing their intersection
Trying to plot the following two functions to show points of intersection.
...
0
votes
2answers
58 views
How to manipulate plot range with fixed axes
I want to achieve something like this
Manipulate[Plot[Sin[x], {x, 0, r}, PlotRange -> {{0, 10}, {-1, 1}}], {r, 0.1, 10}]
but my function in place of ...
0
votes
1answer
88 views
Plotting a 2-D shape given its border points [duplicate]
I have the border points of a 2-D body and wish to fill its interior with a solid color. Let us say I have $N$ such points stacked in the $N \times 2$ matrix $A$ so that the first column indicates the ...
1
vote
1answer
106 views
Mathematica plots a discontinuity in piecewise function that does not exist [duplicate]
I have the following function defined:
...
0
votes
1answer
61 views
how to plot log-log histogram in Mathematica 7
I have a large array of real (positive and negative) numbers and I want to plot the histogram of it. I can use
Histogram[data, "Log", PlotRange->All]
but ...
2
votes
1answer
88 views
How do I plot Numerical Range of two hermitian matrices
Let $A_1$ and $A_2$ be two $3\times 3$ hermitian matrices. Then their numerical range is defined as two-dimensional set
\begin{align}
\mathbb{S}=\{\left[u^HA_1u,u^HA_2u\right]\in ...
7
votes
1answer
169 views
Overlay of pdf using PairedHistogram in Mathematica
With a standard 1D histogram, I can generate a pdf overlay using Show and Plot.
I'd like to do something similar with ...
7
votes
3answers
164 views
Linking points in separate lists in ListPlot (updated)
Updated: I have two lists (of different lengths) of co-ordinates, in the form {x,y,"tag"}, that I wish to plot so that one list is graphically linked to the other ...
1
vote
1answer
92 views
List plot 3D not showing correct data
I have a list of values of the form {{a_1,b_1,c_1},{a_2,b_2,c_2}...} where a goes from 0 to 30, ...
1
vote
2answers
111 views
Efficient Data Entry / Manipulation with Many Datasets
I currently have a simple task of graphing many different datasets (26 here, with many different instances where I'll need to do, say, 26 different ones from the same template). I'm trying to ...
2
votes
1answer
149 views
How do you draw a straight line with PolarPlot?
I can't figure how to draw a line with PolarPlot.
A vertical line through a is $r \cos(\theta) = a$, so
...
6
votes
4answers
625 views
SIGSEGV error with 3D Plots
I originally asked this question here but didn't get a satisfactory answer.
I am using Mathematica 8.0.1.0 on Ubuntu 11.10. I created a 3D plot
from an ...
1
vote
3answers
39 views
Edit AxesLabel from an existing plot
I have a really complex function that takes a few hours to plot as a function of a parameter.
Few days later I realised that I named the axes wrong. Is there an easy way to edit the AxesLabels without ...
3
votes
2answers
186 views
Combining two plots which are in two regions
I want to combine two plots which are in two regions.
For an example, I want to plot following two figures in the same plot.
...
4
votes
1answer
185 views
How to graph a sphere with cartesian equations?
I'm new to Mathematica and I need to ask how to graph a sphere, cylinder, etc.. using cartesian equations.
For example in sphere's case $x^2+y^2+z^2=1$
I tried to use ...
1
vote
1answer
49 views
Control formatting of a Text element in a plot?
Is it possible to define the format for a part of Text in a plot? For instance, is it possible to have v bold and ...
3
votes
1answer
69 views
FrameTicks given through Show does not work with LogLogPlot
This is similar to the closed topic: Frame ticks for a Log Log plot [closed]. Let me reuse (rm -rf)'s example here.
FrameTicks given through Show does not appear if used with LogLogPlot:
...
7
votes
4answers
187 views
Drawing minor gridlines
What's the best (most elegant, shortest, easiest to read) way to add minor grid lines to a plot?
Here is an example:
...
2
votes
1answer
111 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 ...
2
votes
1answer
105 views
Strange spikes in my surface
I'm getting strange spikes in my surface S with the code below. PlotPoints seems to help, but it doesn't solve the problem. Any ...
0
votes
1answer
88 views
Plot a function over a specific domain
I have a function that is defined on a specific domain for example the function $$f(x,y)=(x-0.5)*(y-0.5)$$ defined on $\Sigma$ which is the circle $(x-0.5)^2+(y-0.5)^2=0.5^2$
How to plot $f$ over ...
3
votes
1answer
108 views
Issue with ListDensityPlot when using logarithmic scale
I have got some frequency response data from a speaker measured with different incident angles between speaker and microphone taken in an anechoic chamber. The data can be found here.
The whole ...
