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

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3
votes
2answers
349 views

Plotting boundary of piecewise function in ContourPlot

I am trying to do a ContourPlot of the following function: ...
10
votes
1answer
552 views

Moving polygon on path curve to create 3D shape

How can I move some polygon list = {{0, 0}, {0, 15}, {7, 13}, {2, 13}, {2, 5}, {5, 5}, {5, 3}, {2,3}, {2, 0}}; Graphics[{Black, Polygon[list]}] so it follow some ...
3
votes
1answer
228 views

Rescaling and reorienting Matrix Plot axes

I have implemented a numeric Laplace Solver in C++ and am trying to graphically represent the validity of my method. I have outputted the grid from C++ and imported it into Mathematica to get the ...
0
votes
1answer
214 views

RegionPlot of an area inside a polar plot (or its equivalent parametric plot)

Let' s take a most simple example for a polar plot, the Archimede's spiral. ...
0
votes
1answer
65 views
6
votes
1answer
333 views

Is it possible to draw a curved edge between two vertexes of a graph? [duplicate]

The following code generates a graph. ...
5
votes
4answers
571 views

Plotting piecewise functions

I have a list of N functions called functionList. N can be any number. Also, I have a list ...
1
vote
1answer
361 views

Plot multiple solutions of a system of differential equations with different values of constant c by using NDsolve

I am traying to solve system of differential equations with different values of constant c then plot the solution with different values of the constant c. where c= 2.2758, 2.04822, 1.82064, 1.59306, ...
4
votes
2answers
121 views

How to hide arrow tail in VectorPlot3D?

I want to plot arrow head only, because I want to plot a "surface" consist of all arrow head(draw a little ball or point instead of real arrow head,because a 'surface' with real arrow head is ...
15
votes
1answer
303 views

Bug in plotting function using FindMinimum?

Bug introduced in 10.0 and persisting through 10.3 or later While working on an answer to RegionPlot from NDSolve, I came across this strange behavior of ...
2
votes
0answers
44 views

Error message with RegionPlot after SetOptions

I get an error message with SetOptions[RegionPlot, ImageSize -> Medium]; RegionPlot[u v (1 - v) >= 10, {v, 0, 1}, {u, 0, 100}] that says ...
0
votes
1answer
178 views

Display 3D function and its gradient in same graphic [duplicate]

Is it possible to display e.g., $z=x^2+y^2$ with Plot3D and in the same box, in the $z=0$ plane, plot its gradient?
2
votes
1answer
326 views

Sinusoidal Wave over a Circle

A sinusoidal wave can be plotted in a two dimensions. Generally and simply : y[x]=Sin[(2pi/lambda)x] As it is being plotted, the horizontal axis (as a straight ...
2
votes
0answers
76 views

How to combine several plots with this special alignment? [duplicate]

How can combine different plots just as shown in the image? Just give codes about one example plot,and tell me how to create plots as the form as gaven. Follows are codes: n = 2; z = 200; [Alpha] = ...
7
votes
2answers
241 views

RegionPlot from NDSolve

I am having quite a headache using RegionPlot to see the region of acceptance of certain coupled differential equation. I shall elaborate and try to be as ...
0
votes
0answers
78 views

Exporting graphic to pdf acting funny [duplicate]

I have a plot created in a notebook that I usually would right click on and choose Save as pdf. It worked fine until this morning. Shown below, the first plot is what I used to get. The second plot is ...
0
votes
1answer
716 views

Plot a table of functions with different color [duplicate]

I have a function with two independent variables: SNR[t_, f_] := 20 Log10[1/(2 Pi f t)] And I have a list for "t" ...
0
votes
0answers
41 views

How to show “AxesLabel” when “Frame -> True” [duplicate]

I'm using Mathematica 9.0.1, and using "LogLinearPlot" function. My problem is when I enable the "Frame", and set "AxesLabel", the labels won't be shown. If I disable the "Frame", the labels are ...
1
vote
0answers
110 views

How to make a graph of this function?

I need to plot the following function: ...
1
vote
1answer
164 views

Trace two DateListPlots?

I currently have two DateListPlots in the same graph, with two different y-axes. I downloaded the package "TwoAxisDateListPlot" to accomplish this with ease. Now I want to be able to trace both of the ...
1
vote
1answer
138 views

Plotting CSV files with UTC Universal Time

So I have many CSV files in format like this: 2014-12-11T16:13:13.038337Z , 3.90092 2014-12-11T16:14:13.456558Z , 3.89734 2014-12-11T16:15:12.444318Z , 3.90092 I imported a CSV file ...
5
votes
2answers
187 views

SmoothHistogram inside Show doesn't respect plot range clipping?

You can try this for yourself. Run the following code a couple of times: ...
3
votes
1answer
323 views

Centering histogram bars over axis values

I'd like to center the bars in my histograms over the correct values of the x-axis. Here is a simplified example: The most common value in the dataset is zero, but glancing at the histogram this ...
5
votes
3answers
163 views

Find Unconnected Subregions

If I have a region, how can I identify sub regions that may be disconnected, if any exist? region defines a rectangular region given two diagonally opposed ...
1
vote
1answer
83 views

MathematicaPolarPlot Question [closed]

Using this as an example PolarPlot[{1,Sin[3 θ]},{θ, 0, 2 π}] Now consider the family of polar curves r=a+Sin[3 θ] as we vary ...
9
votes
2answers
265 views

Method options for DensityPlot and ContourPlot

What Method options are allowed for DensityPlot and ContourPlot? I am unable to find this ...
0
votes
1answer
288 views

How do I plot results of complicated calculations in Mathematica?

I am new to Mathematica and am struggling with making plots of how features of solutions vary with parameters. For example, I can find the eigenvalues and zeroes of a Sturm Liouville problem (showing ...
4
votes
1answer
361 views

How can I improve ContourPlot to get smooth curve?

I am working on the ContourPlot to creat contour line of a InterpolatingFunction recently. This is my data. This is my simple ...
7
votes
4answers
1k views

Plot of Implicit Equations

I've read Cool Graphs of Implicit Equations recently. In the article, it mentioned a software GrafEq which can draw graphs of arbitrary implicit equations. For example, And I've tried several ...
2
votes
1answer
116 views

Align axes in GraphicsGrid - with one rotated figure

I would like to align the axes of the three plots: g3, gPosteriorMarginalMu and gPosteriorMarginalSigma: ...
0
votes
1answer
97 views

Add a legend to a DiscretePlot - Version 8 [duplicate]

I have found several topics with legend issues but no answer to my problem. I have a function and I need to plot it for integers only (hence discrete plot) and then add a legend too. But ...
8
votes
2answers
423 views

How can I use ContourPlot to creat streamline: proper arrow orientation and correct domain?

I get into trouble when I use ContourPlot to draw streamlines in a free surface flow domain. This is my data.The data are a little bit big, please be patient. ...
4
votes
1answer
162 views

ParametricPlot3D: The Mesh shows some unexpected wires to the origin. How to remove them?

In the code below a hexagonal shape is defined and plotted. The ParametricPlot3D shows the hexagonal design almost as intended. However, the mesh makes some strange "wires" to x=y=0. This is ...
4
votes
2answers
274 views

Specifying and solving a PDE on an L-shaped domain

I wish to solve Laplace's equation with Dirchlet boundary conditions on an L-shaped domain as described here http://www.inf.ethz.ch/personal/tulink/FEM14/Ch1_ElmanSyvesterWathen_Ox05.pdf I know how ...
1
vote
1answer
51 views

How to share `ChartLegends` among multiple `BoxWhiskerChart`s in `GraphicsGrid`?

First, create two BoxWhiskerChart: box1 and box2 ...
3
votes
1answer
137 views

Dynamic overlay of graphics and plot while maintaining uniform coordinates [closed]

I have a plot and a graphic that I want to overlay onto one another while retaining a uniform sense of coordinates throughout the whole thing. I have tried to do this two ways and both suffer from ...
1
vote
1answer
108 views

Derivative of a plot [closed]

I plotted a graph numerically, so I don't have a definition of the plotted function. Now I want to plot the derivative of this graph. Is there any way to do it in Mathematica? I have the following ...
3
votes
3answers
158 views

Colorize an image using two parameters

I have a matrix of data. I use Colorize[Image[Rescale[data]],ColorFunction->"Rainbow"] to create an image from the data where the value of each pixel is used ...
0
votes
0answers
55 views

Manipulate plot [duplicate]

How can one do this: ...
6
votes
3answers
322 views

Mathematica 10 ListPointPlot3D PlotTheme bug?

Bug introduced in 10.0 and fixed in 10.3 or earlier I am using Mathematica 10 to generate a 3D point plot of a crystal lattice structure. I wanted to set the ...
1
vote
2answers
171 views

Ratio of variables AxesLabel is messed up when plot exported to pdf

On the vertical axis of a Plot whenever I have a ratio of variables in a string as axes label, the exporting of the plot to PDF format messes this ratio up. Minimal working example: ...
2
votes
1answer
147 views
0
votes
0answers
41 views

Plotting the real positive solution to a parametric equation [duplicate]

I have the following parametric equation $$ x^2-a=0 $$ where $a$ is a given parameter. I would like to plot the nonnegative real root ($\sqrt{a}$) using NSolve as $a$ varies from $0$ to $1$. Can ...
1
vote
2answers
132 views

Incorporating the minimum and maximum of the function in a Dynamic plot

I'm working on my project for class and it's supposed to be a graph that can take functions from the user and display it along with finding the max and min of the graph. But I just don't know how to ...
0
votes
1answer
98 views

Plot table versus table [duplicate]

I have two tables like: nex1 = Table[l3*10^3/4*10^14, {l3, 1, 30, 1}]; nex2= Table[l4, {l4, 1, 30, 1}]; How can I plot nex1 versus nex2 so that nex1 is x axis ...
5
votes
2answers
126 views

Different results with Plot option “Evaluated” in V9 and V10

Consider this example: Plot[Table[BesselJ[n, x], {n, 2}], {x, 0, 10}, PlotLegends -> {"n=1", "n=2"}, Evaluated -> True] The results in MMA v9 & V10 ...
0
votes
0answers
81 views

Plotting Earth's position with units

I'm trying to plot the Earth position with the Sun in the origin. I have two lists like this: ...
8
votes
2answers
546 views

ListContourPlot interpolation fails if x and y axes have different scales

To summarize what is below: ListContourPlot doesn't work when the domain has different x and y scales (fails when x/y~10^4, which seems surprisingly small). Is it possible to call ListContourPlot ...
18
votes
0answers
316 views

More Ticks::ticks errors in AbsoluteOptions in v10

Bug introduced in 7.0 or earlier and persisting through 10.3 or later While the specific bug affecting Plot described in AbsoluteOptions prints error messages in ...