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

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11
votes
6answers
1k views

Ugly output when combining 2 plots with GraphicsRow

Here are the data that I want to plot: ...
0
votes
1answer
365 views

ListPlot and ColorFunction [duplicate]

I've been searching for the use of ColorFunction as an Option for ListPlot, but haven't found anything about it in the documentation. When trying the code ...
7
votes
2answers
245 views

Inaccurate plot

Could someone please tell me how I can increase the accuracy of this plot, please? Or is there some other reason the lines are breaking up? ...
2
votes
2answers
720 views

ParametricPlot3D with three variables

ParametricPlot3D can be used with one or two variables to plot paths and surfaces in 3-D such as ...
3
votes
1answer
265 views

How can I produce a branch cut in a surface plot based made with ListPlot3D?

I need to create some surface plots, based on a function that is computationally expensive (a few minutes per point). The function has some branch cuts. The command ...
5
votes
1answer
349 views

Why is Plot3D giving me a surface with gaps?

I am trying to get plot for the band structure for graphene. ...
3
votes
2answers
2k views

How to do the log scale plot for ListContourPlot

My current code is: ...
5
votes
1answer
157 views

Omitting singularities from plot by specifying them in range

See the Mathematica 'basic plotting' documentation: http://reference.wolfram.com/mathematica/tutorial/BasicPlotting.html Scroll down to the third plot on that page, which says the following: "The ...
3
votes
2answers
81 views

Cell copy results in jaggy, aliased output

When I copy a cells by selecting them from the collapse bars on the right, then using the context menu option "Copy", the pasted image of plots is not anti-aliased and in general the text seems to ...
3
votes
3answers
416 views

Animation is jerky, but slider is not

When I do the following simple animation (from the book Mathematica Navigator, p. 316) the slider control changes the image smoothly, but when I play the animation it is jerky. Is there anything that ...
8
votes
1answer
451 views

How can I scale a plot in vector graphic or PDF form?

I am not at all a computer graphics expert, but it seems that portable document format (PDF) files have a "native size," even though they may (and usually do!) contain vector graphics that can be ...
1
vote
1answer
2k views

Animate curve parametric plot on a surface

I have a surface s = Plot3D[{x,y,F[x,y]},{x,-1,1},{y,-1,1}] with $F$ predefined, and a curve ...
2
votes
3answers
141 views

Incorrect behaviour of Locator inside Show?

Why doesn't Locator behave correctly in the following code? ...
6
votes
2answers
644 views

Plotting: Is anyone familiar with gradientfieldplot command?

I am trying to plot this graph showing the electric field lines and lines of equipotential based off the electrode configuration(in black) of two parallel lines. This is what I've been using for other ...
2
votes
1answer
341 views

How do I label contour lines that are superimposed on a 3d plot?

I need to generate a 3D plot of a function, say $z = \sin(x)\cos(y)$, with contour lines drawn at specified intervals. I also want to label each contour line with its $z$-value. I have discovered how ...
5
votes
1answer
266 views

ListDensityPlot crashes the kernel

ListDensityPlot[ Flatten[Table[{i, j, Sin[i + j]}, {i, 1, 20}, {j, 1, 20}], 1]] gives the expected result, but a linear scale crashes my kernel (please save your ...
1
vote
1answer
131 views

Reading between blank lines in external data files

I have an external data file with several columns and thousands lines of data. For the sake of this question, let's assume that we use ...
10
votes
2answers
354 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 ...
2
votes
2answers
137 views

Plot: how to have the y-range automatically scale to min-max on the x-range?

I have a long list of {date,value}. I would like to use DateListPlot to plot only a subrange, from date1 to date2, with the range on the y-axis automatically chosen to be between the min and max ...
0
votes
1answer
759 views

How to plot a function $\psi(r,\theta,\phi=0)$ in polar coordinates?

I have a function $\psi(r,\theta,\phi=\phi_0)$ with $\phi_0\in \Re$, $r\in[0,R]$ with $R\in \Re$, and $\theta \in [0,\pi]$ (spherical polar coordinates) and I want to plot it in Mathematica. I guess ...
0
votes
1answer
142 views

Plotting values above a threshold in ListPlot3D

I'm able to plot a 3D plot of a grayscale image using ListPlot3D, where it plots a 3D surface of the image pixel intensity. But I would like not to plot the pixel ...
0
votes
1answer
450 views

plotting xy, yz, zx plane at

I have a data list in the following form, data = {x, y, z, f} I would like to present three kinds of subdata set as a density (or contour) plot on the ...
0
votes
1answer
89 views

Plot producing many error messages when given complicated function

I'm new to Mathematica and am running in to all sorts of silly difficulties with coding in it. I'm trying to calculate a function f[x, k], normalise it with another ...
4
votes
3answers
361 views

Draw plot with locator & slider

I would like to create a plot whereby both the slider and the locator 'draw' the plot. In the following code, the locator & the slider act independently: ...
5
votes
1answer
254 views

Visualization of iteration procedure in NMinimize

I have this optimization code: ...
3
votes
1answer
807 views

Plotting multiple lists of complex numbers

The user #Nasser showed an elegant way to plot complex numbers: ...
0
votes
1answer
668 views

How to I display the value of my plot function?

I've plotted a function that varies with respect to time. It's inside a manipulate box, which can vary the time. And I'd like to display the value of the function at the time on the slider on my plot. ...
4
votes
2answers
4k 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 ...
1
vote
3answers
238 views

plotting an Integration output

How to solve this integral by Mathematica even by numerical methods (plotting the solution) Integrate[(Cos[x] - a)/(1 + a^2 - 2*a*Cos[x])^1.5, {x, 0, 2*Pi}] It ...
1
vote
3answers
154 views

automatic processing of numerical results in `Plot`

First I want to solve an equation $F(x,y)=0$ for $y$ by supplying a value of $x$. (suppose obtaining the analytic form of $y(x)$ is too difficult) Then I want to plot root $y$ (numerically calculated) ...
3
votes
3answers
337 views

How Can I superpose an image and a graphics?

I want to superpose an image with a graphics in order to evaluate their alignment. I am writting this exemple of code. ...
1
vote
1answer
142 views

Problems with formatting a bar chart

I am trying to create a financial dashboard using Mathematica. I am having trouble formatting the axes ticks to show whole numbers. Further, when I hover over one of the chart elements, it is ...
0
votes
1answer
205 views

Plot lines keep disappearing

I'm trying to plot the Compton Shift which I've defined as: E2[ϕ_] := E1/(1 + (E1/(m*c^2))*(1 - Cos[ϕ Degree])) I've initiated the constants and when I evaluate ...
1
vote
0answers
107 views
3
votes
1answer
180 views

Adding and summing overlapping Airy (or Gaussian) disks on a plane

In a previous question of mine, I asked how one might draw an Airy disk on a plane: Generating an Airy disk on a plane, and recieved some impressive answers from the users Timothy Wofford and ...
2
votes
1answer
169 views

Copying each object in a plot separately as an image

I would like to copy a plot from Mathematica as an image, into a PowerPoint slide. This plot has two curves. When I try to do the (naïve) usual "copy graphics" and paste, I find the full plot (along ...
3
votes
2answers
370 views

fit a curve in a three dimensional space

I have a list of points of a curve in a three dimensional space, like ...
0
votes
0answers
45 views

How to manipulate lists to get only part of the value [duplicate]

This is really a question about manipulating the output of Maximize. I have a function of 2 variables, defined thus: ...
2
votes
1answer
718 views

Plot3D with a log scale only along the y-axis

I would like to ask how to make a 3D plot (maybe using Plot3D) with a logarithmic scale along the y-axis? For example: I have a function, $f(x) = 2(1 + a\,x^4)/x^2$, where $x$ varies from 0 to 20 ...
7
votes
3answers
790 views

Hovering mouse cursor over a plot to display a “corresponding” point in another plot

(Apologies for not having gotten around to responding to and accepting answers on my other recent questions—as a meticulous and thorough type, I'd like to take my time to fully comprehend and ...
2
votes
2answers
375 views

How to create a combined bar plot with time format?

I'm not sure how to add time format to bar plots. I'd like to be able to make one bar plot for one data set and another for another data set and then combine them, but I don't know how to offset each ...
3
votes
2answers
840 views

Generating an Airy disk on a plane

I wish to generate a surface intensity plot of an Airy disk (or perhaps a two-dimensional Gaussian approximation to an Airy disk) on an (x, y)-plane at a specified coordinate. The hope is to have ...
1
vote
1answer
133 views

Two-way locator & slider controls

I was wondering whether it was possible to have a two way control system, whereby one could click and drag both the locator (which would in turn move the sliders), AND click & drag the sliders ...
1
vote
1answer
150 views
0
votes
2answers
112 views

Gaps in plots of equation solution from parameter

I'm trying to plot solution of system of equations as a function of parameter ...
2
votes
2answers
610 views

Locator to show coordinates of plot

Old I would like to make the locator follow a plot, giving the coordinates as it moves. I don't really know where to start with this one, but I would like the dynamic plot to look something like ...
9
votes
2answers
491 views

In version 9 PlotLegends, how can I remove the strange edges that appear around LegendMarkers?

I'm running Mathematica version 9. I am using ListPlot to plot two sets of data. For each data set, I am using different ...
5
votes
2answers
346 views

How and when to use Evaluate?

A month ago, I used Mathematica to solve my experiment of the Test Technology of Mechanics Engineering. The exeriment is mainly about the Fourier Transform and verify the validity of the theory of ...
7
votes
1answer
159 views

Fixing Spline curves so as to not overlap with themselves - (Diagrams)

Statement of the problem: Conceptually, what I'm trying to achieve is pretty simple. I have some code that generates a set of diagrams from a list of sets of points using BSplineCurve. Certain ...
0
votes
1answer
145 views

Understanding distribution chart

How to explain DistributionChart function in mathematica, For example: if I have ...