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

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2
votes
1answer
76 views

Why do I have to perform a second ReplaceAll in this InterpolatingFunction?

I have an InterpolatingFunction that I'd like to plot, and I wonder why I have to perform a ReplaceAll on the following function: ...
1
vote
1answer
151 views

Improving the plotting time of a very complicated expression

The quatity $R$ is defined by a complicated expression in terms of $a_1,a_2,\ldots,a_n$. Now each $a_i$ is a function of $x$, $a_i(x)$. I would like to know what is the most efficient way to ...
-1
votes
2answers
515 views

A simple ListPlot with different colours and a Tooltip

I know that the threads ListPlot with each point a different color and a legend bar and Extracting the coordinate of a particular point of interest from a ListPlot are somehow the answers to my ...
5
votes
1answer
180 views

Default FontFamily for PlotLabel

This is probably a rather basic question and I presume I am simply unable to make proper use of the Options[] function: I am trying to figure out what the default ...
8
votes
3answers
2k 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. ...
3
votes
3answers
198 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
54 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
417 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 ...
7
votes
2answers
937 views
5
votes
0answers
550 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
118 views

How can I say that all quantities need to be positive (and real)? [duplicate]

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 ...
1
vote
2answers
1k 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 ...
14
votes
4answers
1k 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 ...
4
votes
4answers
279 views

Filling and Shading an Harmonic Curve

Suppose I have an equation plotted as shown: ...
8
votes
2answers
319 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
407 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 ...
6
votes
2answers
720 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 ...
6
votes
2answers
167 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
216 views

Problems with RootLocusPlot

I am having some trouble to understand how the RootLocusPlot works (options, drawing and etc.) Here is an example ...
4
votes
1answer
257 views

Problem with the Plot of Functions and PlotLegends

For some odd reason the PlotLegends output is not as expected. ...
3
votes
0answers
105 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
150 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
486 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
175 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
456 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 ...
13
votes
2answers
428 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
513 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
347 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 ...
10
votes
2answers
726 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
202 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
88 views

Distribution above pointplot [duplicate]

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
196 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
172 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
35 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
3k 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 ...
1
vote
2answers
588 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
166 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
326 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 ...
4
votes
4answers
1k 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
3answers
392 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
228 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
495 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
158 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
896 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 ...
9
votes
2answers
524 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
579 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
59 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
1k views

How to draw some 2D curves in a 3D plot? [duplicate]

I want to plot several 2D curves (Sin[x] at y=0, Cos[x] at ...
5
votes
1answer
155 views
1
vote
2answers
792 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: ...