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

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9
votes
2answers
2k views

Legends in combined Plot and ListPlot

I have a set of data ...
9
votes
5answers
485 views

Manipulate Exp[I θ]+b Exp[-I θ]

I've uploaded an image showing a demonstration I'd like to create, but I definitely need help. There is a lot of talent on this list, so maybe someone can help me get started learning how to add ...
3
votes
2answers
447 views

What is wrong with my VectorPlot?

I am trying to make a simple plot of a spherical field falling off with distance from origin: ...
2
votes
2answers
546 views

How to visualize slope fields of differential equations without vectors?

I'm looking to visualize slope fields of differential equations for my differential equations course. Every example I see draws them as vectors, adding unnecessary "arrows" that, to me, are visually ...
2
votes
2answers
1k views

How to prepare data for ListVectorPlot[]?

I was trying to plot a few velocity vectors measured at given points. However I am unable to do this with ListVectorPlot[] function. I get error each time I try to ...
13
votes
3answers
6k views

Plot data from txt file?

I have data in file.txt which can be expressed by 20000x11 matrix. I do not want to import all of these data. How can I plot graph of the column 1 & column 4?
7
votes
3answers
819 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: ...
6
votes
2answers
307 views

How to display the support supp(f) of a piecewise function z = f(x,y)?

I'm wondering how to display the support $\mathrm{supp}(f)$ of a piecewise surface $z = f(x,y)$. As an example, let's consider the following piecewise function (and plot it): ...
4
votes
2answers
3k views

How can I plot implicit equations?

If you enter the following into Wolfram | Alpha, you get nice graphs: graph 4 x^4 + y^2 = 2 How do you do this in Mathmatica? I realize that these are not ...
2
votes
1answer
530 views

ContourPlot shows only part of the contours [duplicate]

Consider these contour plots: f[x_,y_]:=Cos[x] + Cos[y] ContourPlot[f[x, y] == 0, {x, 0, 4 Pi}, {y, 0, 4 Pi}] ...
221
votes
5answers
105k views

How do I draw a pair of buttocks?

I'm trying to develop a function which 3D plot would have a buttocks like shape. Several days of searching the web and a dozen my of own attempts to solve the issue have brought nothing but two ...
45
votes
1answer
970 views

Is it possible to define a new PlotTheme?

In version 10 one can define, say, $PlotTheme = "Scientific" Which changes the appearance of all plots. This is fantastic because on the one hand I can have nice ...
23
votes
6answers
3k views

Fixing quirky typesetting in plot labels

Consider this example plot. Plot[ 1-Exp[-x], {x,0,3}, AxesLabel->{"thickness (μm)","power density (W/m^2)"} ] Let us hold the typographical quality of ...
15
votes
4answers
3k views

Plotting Fourier spectrum versus frequency of a signal

I have looked around here, and i am sure this has been answered, but i don't understand it. The thing is, I have taken a introductory signal processing course, and we had to use Mathematica, and i had ...
21
votes
5answers
1k views

How to plot the contour of f[x,y]==0 if always f[x,y]>=0

I've been stuck at this problem for weeks and I've asked several related questions here: ContourPlot shows only part of the contours [duplicate] How to plot the contour of the radius part of a ...
17
votes
5answers
3k views

How do I plot a plane EM wave?

I would like to display an electromagnetic (EM) wave. I have written code that works, but it does not "shade" the area between the graph and the axes. Both the ...
9
votes
2answers
423 views

How can I make a grid of plots with no spacing, and have the plots line up perfectly?

I am making a bunch of two dimensional plots and I would like to have them arranged in a grid with no space in between them. That is, I want their frames touching each other. My problem is twofold. ...
12
votes
1answer
277 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 ...
6
votes
6answers
3k views

Getting a list of accurate coordinates from a plot

I have encountered this problem of getting a list of accurate coordinates from a plot. Upon searching online, the best method of doing so is to right-click on the plot and select "Get Coordinates". ...
16
votes
3answers
6k views

adding labels to points in ListPlot

Table[{Re[5 Exp[I 5/2 t]], Im[5 Exp[I 5/2 t]]}, {t, 0, 6}] ListPlot[%] This code plots 6 points in the complex plane. To each point I would like to add a label in ...
22
votes
2answers
2k views

How to plot planar graphs as such?

A planar graph is a graph that can be drawn in the plane such that no two edges cross. For example, the graph ...
19
votes
3answers
814 views

Centering date labels over the year in a DateListPlot

The canonical formatting for date labels in a DateListPlot is for the year or other date label to be centered over the tick at the start of the relevant period. ...
13
votes
1answer
836 views

Plotting graphics as ASCII plots

I'm occasionally in a situation where I have to use Mathematica on the terminal. I'd like to visualize the solutions I get from NDSolve, but when I use ...
10
votes
2answers
338 views

How to draw the image of a circle under the action of a transformation of the phase flow?

How to draw the image of a circle $x^2+(y-1)^2<1/4$ under the action of a transformation of the phase flow for the equation $\dot{x}=y,\ \dot{y}=-\sin x$? Here $\dot{x}$ means $dx/dt$. Any help or ...
12
votes
3answers
934 views

Why doesn't PlotMarker option None return no PlotMarkers?

After reading the PlotMarkers documentation it seems to be all or nothing. For example if you wanted markers on some of you lines the code below seems ...
11
votes
2answers
1k views

How to show values of points on surface plotted with ContourPlot3D

The help for ContourPlot3D starts with this example ContourPlot3D[x^3 + y^2 - z^2 == 0, {x, -2, 2}, {y, -2, 2}, {z, -2, 2}] This returns a Plots of the surface ...
10
votes
3answers
966 views

Dashed mesh behind 3D object

I am trying to create a simple, almost transparent 3D sphere with a mesh that is made of solid lines if they are on the front surface (i.e. if they are directly visible) and of dashed lines if those ...
9
votes
5answers
677 views

Create filling between two trig functions

Working with trig functions, period, amplitude, etc. I found a worksheet at a calculus website, with some nice questions related to interpreting trig functions, at least, they provide some "fun" ...
14
votes
3answers
1k views

Is it possible to position ticklabels on the negative y axis on its right side?

Is it possible to position ticklabels on negative $y$ axis on its right side? Ticklabels on positive $y$ axis should remain as usual:
14
votes
1answer
885 views

Labelling ArrayPlot Charts

I have been using ArrayPlot to show off some information. Currently, my datasets are like so: ...
12
votes
4answers
513 views

How to remove ticks?

I wanted to remove the Ticks in my coding but i can't. Here when i try to remove the Ticks the number also gone. I need numbers ...
8
votes
3answers
4k views

Is there a simple way to plot complex numbers satisfying a given criteria

I think this should be straightforward, but I cannot seem to find a good source on how to do it after searching around, so I'm trying to sketch sets of complex numbers that meet a given for criteria. ...
7
votes
2answers
349 views

Click in a vector plot to plot several solutions of a system of differential equations

I am aware of the Locator button and I am aware of the Equation Trekker package, but they are not what I want to use. Here is what I specifically want to know how to do, if possible. Consider the ...
6
votes
4answers
965 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 ...
5
votes
2answers
680 views

ListContourPlot interpolation screws up on concave set of data

I want to create ListContourPlots for sets of Data (from a physics simulation) given as Triplets {x, y, f(x, y)}. Certain parameter regions in the x-y-plane are ...
16
votes
6answers
2k views

X-Y scatter plot with coloring dependent on Z value [duplicate]

I have an array of $(x,y,z)$ triples (array dimensions: N x 3), from which I can make a 2D scatterplot of $(x,y)$ values: ...
12
votes
6answers
482 views

An elegant way to plot a numeric function that returns a list, and have each element in a different color

I have a function that takes a numeric argument and returns a list of numbers. I want to plot each element of the list in a different color. If I use this command, ...
11
votes
1answer
1k views

How can I make hatching filling of plot

How can I make hatching filling of plot Like this: I use another one plot with shifting to make filled area above: ...
11
votes
5answers
1k views

How do you plot the same function with different options over different intervals?

Here is the motivation for my question. I want to plot Sin[x] over the interval 0 to 2 π, ...
10
votes
1answer
697 views

Managing Exclusions in Plot[ ]

When I do: ...
9
votes
2answers
8k views

Plotting complex numbers [duplicate]

Possible Duplicate: Plotting an Argand Diagram How do I plot complex numbers in Mathematica? The following is a part of my data, the eigen values of a 50 by 50 asymmetric matrix: ...
9
votes
4answers
440 views

Plotting the components of a function that returns a list in different colors without redundant evaluations of the function

I have a function f which takes a number as input, and returns a list of numbers (the length of the list is constant). f is hard ...
9
votes
1answer
654 views

Antialiasing option behaves weird (polygon edges visible in ContourPlot)

When I set the Antialiasing option in Style, I get the followings: ...
6
votes
2answers
1k views

How to align rotated tick labels?

How can I align tick labels so the tick label text ends centered under the data point? Of Course it works fine with a rotation of 90 Degrees, but not with 45 or similar angles. I see an example of ...
6
votes
5answers
7k views

Calling Correct Function for Plotting DiracDelta

I am wondering what is the correct function in Mathematica to plot the true impulse function, better known as the DiracDelta[] function. When using this inside of a ...
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 ...
13
votes
1answer
270 views

Why does GridLines option fail with Function?

Bug introduced in 10.0.0 and fixed in 10.0.1 The Plot option GridLines can be specified either as a list of explicit values ...
12
votes
2answers
882 views

Why PlotStyle->Dashed make everything dashed?

Bug introduced in 10.0.1 and fixed in 10.0.2 -- appears to affect Linux only. It has been really strange for me. I am not sure it's regression after v10.0.1, or something went wrong with my system. ...
8
votes
3answers
846 views

Is there an easy way to put time ticks on a parametric plot?

I have a parametric plot showing a path of an object in x and y (position), where each is a function of t (time), on which I would like to put a time tick, every second let's say. This would be to ...
7
votes
1answer
1k views

How to zoom and pan a ListLinePlot?

I'm using ListLinePlot inside a Manipulate function to display some data. I've seen that Mathematica allows zooming and panning ...