Questions on creating visualizations from functions or data using high-level constructors such as Plot, ListPlot, Histogram, etc.
1
vote
1answer
23 views
“Save Graphic As…” does not include plot legends
I am creating some plots with Show but unfortunately the PlotLegends seems to be out of the bounding box when saving the graph.
...
0
votes
0answers
57 views
Fourier transform of a signal
I have problem of finding right answer for my problem.
Here is my equation:
$$E(t)=\sum_{n=1}^{\infty} c_n \sin\left(\frac{n \pi}{T}t\right)$$
What have I done:
I have a notebook asking for 3 ...
3
votes
3answers
93 views
Plot sublists as different colors
I have one big list with many sublists inside. All sublists consist of three numbers. For example:
...
2
votes
1answer
34 views
Does a manipulation of a plot area produce new data?
You do a ListPlot.
Plot[Sin[x^2], {x, 0, 1}]
pdat1 = With[{fig = Plot[Sin[x^2], {x, 0, 1}]},
First@Cases[fig, Line[x_] :> x, Infinity]];
You ...
4
votes
1answer
82 views
ListContourPlot is blocking my geometry
I have a Navier-Stokes solution for a flow past a cylinder. I have attached the DAT file. The columns in the DAT file contain the x,y,u,v,p data, respectively. The DAT file can be obtained from our ...
6
votes
2answers
121 views
5
votes
0answers
100 views
3D visualization of 4D object data
I have some paired data here {{x1,y1},...{x_n,y_n}} (Download link) which represents {frequency, amplitude} of a spatial object surface mesh. Its quite a lot of cells and data as you can see in the ...
1
vote
0answers
70 views
How can I say that all quantities need to be positive (and real)?
Can you say at the beginning of a script in mathematica that you want all the quantities to be positive (and real)? So that in all calculations, only the real values of these quantities will be ...
0
votes
2answers
70 views
Plot 3D set (or a domain of three-variable function)
is there any way to plot a "3D set" of points subject to certain rules? For example, my task is to find maximum of some function of three variables which have to meet some conditions. Of course I ...
5
votes
1answer
39 views
Combine absolute and relative (scaled) coordinates
I am using Inset to add an Epilog to a plot. The position of the images (in my case: framed numbers) can be specified as an ...
3
votes
4answers
91 views
7
votes
2answers
132 views
How to draw a contour diagram in Mathematica?
This answer at Math.SE contains a neat contour diagram created using Mathematica:
What Mathematica functions I can use to draw diagrams like this?
1
vote
1answer
62 views
Weird vertical line when trying to plot a histogram [duplicate]
I'm trying to plot a histogram of a few data points and overlay a plot on it (it's a fit of a geometric distribution to my data). The weird thing is that a vertical line appears always next to the ...
2
votes
1answer
63 views
Manipulating plot of random iterated function system fractal
I'm generating the Sierpinski Gasket by implementing a chaos game in mathematica. What I'd like to do is create an interactive manipulation with a slider, whereby moving it forward, plots all the ...
5
votes
2answers
75 views
Setting OperatorSubstitution to False has issues with PDF and EPS exports. Are these bugs?
In Plot, I would like to use my own font, eg Inconsolata, for operators such as ×, so I set OperatorSubstitution to ...
4
votes
1answer
83 views
Problems with RootLocusPlot
I am having some trouble to understand how the RootLocusPlot works (options, drawing and etc.)
Here is an example
...
3
votes
1answer
65 views
Problem with the Plot of Functions and PlotLegends
For some odd reason the PlotLegends output is not as expected.
...
3
votes
0answers
97 views
Does resizing plots produce new data? [duplicate]
What I do:
ListPlot,
Select the plot area,
A tooltip says: Double-click to edit,
Double-click the line or a point on the line,
Take a handle to resize the red ...
0
votes
3answers
66 views
Evaluation in Manipulate [duplicate]
I have an expression assigned to a variable. For example:
exp1 = a*x+b
Now I would like to plot it using something like this
...
7
votes
1answer
99 views
Visualizing vector-spherical waves
This is a follow-up question to this one on visualizing vector-spherical harmonics. This time, I would like to visualize the vector spherical waves (including the radial dependence). The functions ...
1
vote
0answers
64 views
How can I convert a plot to pdf or eps without errors?
Mathematica 9.0.1, Linux. I try to save a plot as a pdf. I tried four different options. In each case some errors appeared as blank space
( http://yadi.sk/d/h1koyDci4z3rc ). I also tried to save ...
0
votes
1answer
105 views
What is wrong with this Cobweb plot [closed]
Something is wrong with my cobweb plot code but I couldn't figure out where do the mistakes come from.
So basically we have the iterative map $x_n == x_{n-1}^{2} - 3 \mu$. I would like to draw a ...
12
votes
2answers
158 views
Sharp background image in plot
How do I get rid of blurry transitions between pixels of the background image below. It's the fault of Texture[], previously discussed in this answer.
I haven't ...
5
votes
3answers
147 views
Problem with extracting specific contour from a ContourPlot
I am trying to exctract contours of specific value (2.6*10^-6) out of a ContourPlot and measure their area.
Below you can see the code. It is noticable that not all of the relevant contours showed in ...
1
vote
2answers
85 views
How to create a 3D curved surface, given some discrete points in space?
I have some 3D point data and I want to create a curved surface with these points, and export the curved surface data (point coordinates) according to points density on the curved surface. How can I ...
-5
votes
0answers
86 views
Extracting points data from a 3D curve surface?
I have a 3D data sets, and I have used it to create a 3D plot, but some of the data points are errors and need to be removed. How I can I remove the bad points from the plot?
...
8
votes
2answers
141 views
Adding custom GridLines to the “automatic” ones
I need to add custom (vertical) grid lines to a plot (to a DateListPlot, to be precise). I know there is the option of ...
-1
votes
2answers
84 views
Discrete 3D Plot with date on one axis
1) How do I plot the following data in 3D (large data, only a part of it is used here):
...
1
vote
0answers
59 views
Distribution above pointplot
This is my first question here, so I'm sorry if I do something wrong.
Also I'm fairly new to Mathematica (using 8). I've used it about 2 months. Only 2 weeks intensive. The rest was about ...
0
votes
1answer
121 views
Strange 3D plot behavior
Two Part Question
Part 1: As you can see from the data and plot below, the plot does not accurately display the data sets but adds lines beyond and in different dimensions. Both u and v datasets are ...
4
votes
2answers
75 views
Graphics3D: the box vertices do not coincide with triangle
I have drawn a triangle using Line graphics primitive and Graphics3D function:
...
0
votes
0answers
32 views
How to tell Mathematica to use Real Only Mode [duplicate]
How do I tell Mathematica to use real only mode. For example if I want to graph $(x-1)^{1/3}$ for $-3<x<3$, I need to use Real Only mode to get the right graph.
0
votes
2answers
82 views
Visualize Plot of a function of 3 Variables using color and contours
I would like to plot a function of three variables, say for example:
$$f(x,y,z) = x^2+y^3+z^4$$
over $[-1, +1]$. I want my plot to use colors and maybe contours to make this visualization possible ...
0
votes
2answers
58 views
Plotting points and functions in one graphic
I have this plot:
Plot[{0 x, -x, x, -Sqrt[2 - x^2], Sqrt[2 - x^2]}, {x, -3, 3},
PlotStyle -> {Purple}]
Now I want to do the following. I want to plot the ...
0
votes
2answers
59 views
List Plot 3D the same colour scale
I have a transient problem of pressure disipation. I want to plot severals 3D plot but I have a problem with colours.
Case:
One of my ListPlot3D presents pressure ...
1
vote
1answer
109 views
Concerning ShowLegend in Mathematica
I found a code for Mie Scattering from 2007, written for Mathematica.
I have edited it quite a bit, since there are package definitions that we don't need, etc.
But I am having difficulties ...
0
votes
0answers
71 views
draw a graph of a polynomial function with variables in the denominator [closed]
I have an equation f(u,z1,z2)=0, which is a long and complicated polynomial function with u in denominator.
...
1
vote
4answers
255 views
How to plot filling under a curve?
I want to mark critical areas for statistical test on the plot. How can I do this? This:
...
1
vote
2answers
69 views
Scaling the x-axis in ListLogLogPlot[] or ListLogPlot[] in lieu of DataRange
I will present my existing workaround but I am wondering if there is a better solution that takes less time (my solution seems to ~double the time it takes to produce the desired plot). Using ...
0
votes
1answer
132 views
DAE - varying initial conditions
I want to solve a DAE-system and I want to vary more than one initial conditions and to manipulate them. I looked here:
Putting NDSolve into ParametricPlot
But it does not work:
...
1
vote
2answers
83 views
Reversing the ColorScheme used in an ArrayPlot and setting the font size in the color bar
I have a matrix of data that I am plotting via ArrayPlot.
...
2
votes
0answers
67 views
Exporting plots
I want to export a plot which includes curve fitted to a multiple data set.
shortly ( I use autolegend function Here )
...
1
vote
3answers
124 views
The plot of roots of polynomials
I have polynomial equation like Tribonacci Polynomials for example: $T_3(x)=x^4+x$.
After finding the roots of this polynomial, I want to show these roots in the complex plane.
I have tried lots of ...
7
votes
1answer
163 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 ...
4
votes
2answers
167 views
rotating 3d text
Is it possible to create a 3d rotating text like this:
animation here.
Here is my try so far:
...
0
votes
0answers
49 views
LogLinearPlot analog for Plot3D? [duplicate]
Is it possible to make 3D plot in logarithmic coordinates? I need analog LogLinearPlot to plot 3D figure in logarithmic x, or y, or both coordinates.
5
votes
1answer
154 views
How to draw some 2D curves in a 3D plot?
I want to plot several 2D curves (Sin[x] at y=0, Cos[x] at ...
5
votes
1answer
103 views
Why ImportString[ExportString[, “PDF”], “PDF”] sometimes gives an extra point
Consider this code:
...
0
votes
2answers
53 views
Changing FrameTicks of ListPlot
I am unable to change the frameticks for my list plot.
I am trying to plot a growth rate omega function which looks like this:
...
1
vote
0answers
47 views
Comparing data sets with fade transitions (Code speed-up)
I am using the utility below for data comparison. However, with my real (more complex) charts the processing is quite slow, so setting the Pause time under ...
