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

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2
votes
3answers
1k views

How to color a contour plot over a subset of colors displayed in the bar legend

This seems real easy but I can't find the answer. I have a few contour plots that I am combining and want to use only one bar legend that captures all the values. Given that I know the range of ...
4
votes
2answers
273 views

Filling a plotted line both below and above the line

I'm relatively new to Mathematica. I tried looking for a solution online but couldn't find anything. I want to fill a plotted line both above the line (one color) and below (another color). For ...
5
votes
1answer
142 views

ArrayPlot: space between displayed data and frame

When I execute the lines ...
15
votes
3answers
334 views

How to make Joined skip missing data points

I have a set of data taken on sequential days, but some points are missing. I'd like to make a joined date list plot, where the points are not joined across the missing point.The following example ...
2
votes
0answers
65 views

How to create a ListPlot containing two lists? [duplicate]

I'm trying to plot a set of points where one list corresponds to the X values another list corresponds to the Y values. I have ...
0
votes
1answer
404 views

Projecting on an arbitrary plane

I have the following code, giving me a representation of a photon hitting a cylinder: ...
3
votes
1answer
176 views

Isolate a specific contour without Contour Shading

I have a contour plot that took a few hours to evaluate. Is there a way that I can show only the contour lines of a specific value without re-evaluating the contour plot?
-1
votes
1answer
110 views

Plotting a function dependent on $x/d$

I have a problem in plotting a function. The example code is as following: ...
0
votes
4answers
1k views

Problem with plotting legends using the PlotLegends package

Here is my problem : I have a table composed of 3 "under"-Lists and I'd like to plot it with legends, but I can't find a way to do it. ...
1
vote
1answer
160 views

plot probability

Hi I just want to flatten a function, I tied it with Joined->True, but it did not work, hope somebody of you can help me. This is my code: ...
6
votes
3answers
495 views

Opacity and overlapping multiple polygons

Let's say I have 100 polygons that are all different but most of them overlap. All I want to do is to draw/plot them in one single graphic with linearly adding gray values; i.e., a point with ...
3
votes
1answer
426 views

Looking for equivalent of MinorTicks->None

I am looking for the most general possible way to suppress the display of minor ticks in Mathematica plots.1 More specifically, I'm looking for the equivalent (or near-equivalent) of a fictional ...
0
votes
1answer
138 views

Plotting boundary value expression against a parameter

I am very new to Mathematica and have a question regarding plotting a ODE boundary value problem. Let say I have an ODE ...
2
votes
2answers
655 views

How to set the ratio between the vertical and horizontal scales of plots?

The documentation says that when AspectRatio->Automatic is specified, Mathematica determines the ratio of height to width from the actual coordinate values ...
5
votes
1answer
116 views

How to make endpoints flush with fill in ListLinePlot?

If one plots a filled line plot such as, for example, the one produced by ...
2
votes
1answer
703 views

How can I plot a hyperbola from its complex representation?

How can I plot the hyperbola represented by the following complex equation: $$\left|z-a\right|-\left|z-b\right|=2t\tag{1}$$ Should I convert (1) into the following form? ...
1
vote
2answers
198 views

How can I speed up this plot manipulation? Why does Evaluate not help?

If I were able to "Save" the computed inverse function somewhere and then plot it, the manipulation would become faster. As I understand, Evaluate should do the job, but for some reason it does not. ...
0
votes
1answer
91 views

Plotting spaces spanned by parameters

Suppose I have three coordinates functions of a vector of parameters: x[q],y[q],z[q] where q is at least a three dimensional vector in some domain Q. Is it possible to plot in 3D the space spanned by ...
3
votes
1answer
248 views

How can I make ArrayPlot use one pixel per plot point? [duplicate]

If I ArrayPlot an {1200,1600} matrix, the result is a plot with ImageDimensions of ...
2
votes
1answer
317 views

3D arrow tail properties

I would like to use VectorPlot3D to plot a vector field with 3D arrows: ...
0
votes
2answers
198 views
5
votes
2answers
1k views

ContourStyle for a particular contour line in ContourPlot

I have the following command: ContourPlot[(-1 + x)^2 (-1 + y) + x^2 y, {x, 0, 1}, {y, 0, 1}, ContourLabels -> True] which gives me I want to highlight the ...
5
votes
1answer
444 views

Plot the boundaries of each piece of a piecewise function

I'm wondering how to plot the boundaries of each piece of a bivariate piecewise function. Lets take for instance the following piecewise linear function $B_{111}(x,y)$: ...
2
votes
2answers
477 views

Problems with BarLegend in MatrixPlot

I have the following data: ...
-5
votes
1answer
324 views

random number visualization without generator (Spectral Test)

Does anyone have codes for using only numbers to make this kind of random-number visualization and not requiring a number generator? ...
5
votes
3answers
439 views

ContourPlot and Colorfunction

I have the following code: ...
1
vote
3answers
701 views

Phase portraits and StreamPlot

I typed StreamPlot[{y, x-x^3-0.3y+0.5Cos[1.25t]}, {x, -2.5, 2.5}, {y, -2.5, 2.5}] but all I got was a blank plot. What did I do wrong and can I fix it?
3
votes
2answers
263 views

two histograms ratio

I have two histograms and using listplot to draw both. Now, I want to draw a second plot, below the first, with the ratio of each bin. Does anyone know how to do this? Many thanks. This is the code ...
4
votes
1answer
186 views

Modified definition of Sin does not work in Plot

I don't know if this issue has been discussed before, if anyone know any related post, please let me know, thank you :) Unprotect the function ...
2
votes
0answers
46 views

How can I account for assumed X and Y errors when using findfit? [duplicate]

I'm using very noisy biological data, and I need to assume, when doing linear regression, that there are errors in both X and Y. ...
5
votes
2answers
967 views

Place plot markers in front of error bars with ErrorListPlot

I'm making an ErrorListPlot where the error bars are a different color then the markers and it works, however, the error bars are drawn in front of the markers and ...
3
votes
1answer
510 views

Explanation about RegionFunction and MeshFunctions?

In the link, ParametricPlot3D, consider the example(Variation on the Spheres) given in the Neat Examples section. Can someone please explain how ...
2
votes
1answer
598 views

Plot a 3D vector field from a file [duplicate]

I have a data file with six columns {x,y,z} and {ux,uy,uz} respectively, and I would like to plot the 3D vector field. http://www.mediafire.com/download/udoa61hu0m6itrc/campo.txt I'm trying to do ...
0
votes
1answer
317 views

Filling from Gridline to edge of plot

Hi I would simply like to fill in the region from a vertical gridline to the right boundry of the plot Here is an example ...
0
votes
0answers
2k views

axis label formatting in Plot3D [duplicate]

I have the following code: ...
3
votes
2answers
195 views

How to store multiple plots to be viewed later

I need to be able to import my data and create multiple listlineplots, but my inputs for each plot are very large. I am able to assign variables to each plot and then use GraphicsGrid to view them ...
1
vote
3answers
145 views

How can I threshold for a minimum value with MatrixPlot?

Looking at the Options for MatrixPlot, there doesn't seem to be a mechanism for lowerbound threshold - i.e. ignoring values that ...
7
votes
1answer
363 views

StreamPlot with interpolating functions

While working my way through the Wolfram Blog post on simulating fluid flow I started playing with StreamPlot because I preferred quick and ugly visualizations over ...
8
votes
3answers
272 views

PlotMarkers don't change colour for different lines

I have a set of data and several function operating on the same data, that I wish to plot together in a ListPlot. I need different ...
1
vote
2answers
253 views

Clear labelling gray-scale plots

I am plotting a number of functions (at least 4 in one plot) with a legend. Needless to say, it is important that it is clear from the legend which line belongs to which function. I tried to play ...
1
vote
1answer
140 views

FindMinimum gives wrong solutions inside a loop

I have a density function $\rho(r,z)$ and I want to calculate the minimum distance $d_{min} = \sqrt{r^2 + z^2}$ from the center (0,0) in which $\rho$ becomes negative. The easiest way is to find where ...
5
votes
4answers
330 views

Drawing normals to a curve

I want to draw a series of normals to a curve, where the curve has been parametrized by a single angle, i.e., the polar angle. The curve is actually sinusoidal perturbation of a circle of radius ...
40
votes
5answers
2k views

Vary the thickness of a plotted function

I know, that I can change the color of a function with the help of PlotStyle: Plot[Sin[x], {x, 0, 3 Pi}, PlotStyle -> {Green, Thickness[0.01]}] I also know, ...
0
votes
1answer
110 views

How to transform a DynamicModule into a Graphic

I am generating a graph through a custom function using DynamicModule: graph1 = customFunction[a] If I try to do: ...
33
votes
3answers
1k views

Implementing hexagon binning in mathematica

Hexagon bin plots are a useful way of visualising large datasets of bivariate data. Here are a few examples: With bin frequency indicated by grey level... ..and by glyph size There are packages ...
2
votes
1answer
177 views

Jumps on a Plot animation

The following code: ...
9
votes
2answers
2k views

Legends in combined Plot and ListPlot

I have a set of data ...
8
votes
1answer
421 views

How to align two overlayed plots, one being rotated?

I have two plots which I want to present on a single figure. The bottom left corner is a point of origin of the first plot. The top right corner is a point of origin of the second plot. Also, the ...
0
votes
2answers
225 views
3
votes
2answers
850 views

Creating a grid of plots [duplicate]

I'm really a noob on Mathematica. I would like to create a layout of multiple plots in Mathematica. I've a function that calculates the solution, over time, of a system of differential equations. ...