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
82 views

How to make RegionPlot3D automatically choose PlotRange?

I'm looking at the winning one-liners of 2014, this one inparticular: ...
3
votes
2answers
103 views

How do I use an image as a `ChartLabel`?

I'm trying to use an image as a ChartLabel and I'm getting strange results. Here is a bar chart, with labels, that looks ok: But when I try to replace the "A" ...
4
votes
1answer
178 views

spherical histogram for 3D object

I want to develop a shperical histogram for 3D object. Given a 3D object, I put it in a cylinder where its axis pass through the centroid of the object. The cylinder is sampled into a number N of ...
4
votes
2answers
334 views

Embedded Graphics: General Relativity

Is there a way to make the following graph with two dimples? Like the central indent and another indent to the side to simulate a central mass like the sun and another smaller mass like the Earth in ...
1
vote
2answers
162 views

Intersection with FindInstance

How to find individual root parameters pair ( t, T) to find curve intersections using FindInstance? Hopefully it would output two, instead of 6 pairs in the following: ...
16
votes
2answers
798 views

How to connect discrete points and make them become continuous curve?

Given that I have two variables $\theta,t$, for the varible $t$, $\theta$ always owns several values. Namely, $$\{t,\theta_1,\theta_2,\theta_3,\theta_4...\}$$ where $t$ in the interval$[0,1]$ and $\...
13
votes
1answer
257 views

Rapid density estimation and rendering of decision regions

I would like to create an interactive demonstration using Manipulate[] that illustrates a fundamental concept in pattern classification and machine learning. This ...
-6
votes
1answer
105 views

Plot 2 student T distributions with different center values

Plot 2 student T distributions with different center values µ, but same DOF. The center values,µ has to be 45 and 48, DOF shall be 9.
2
votes
2answers
115 views

Trouble implementing a SOFM (Self Organizing Feature Map) [closed]

I have been given some Mathematica code to use to implement a 3x3 SOFM and see how it changes when I alter 2 variables, lambda and gamma. This is my first time using mathematica so I am a bit confused ...
1
vote
1answer
151 views

Polar image plot

I would like to perform the polar plot of an electron microscope contrast transfer function, into a black and white image. I have used the equation ...
5
votes
1answer
289 views

multiple or variable x scales in [list]plot

I need to make a plot (in this case a ListPlot) in which the x (horizontal) scale varies: either piecewise linear or a single nonconstant function. The purpose is to plot data for graphs like this one:...
4
votes
2answers
318 views

How to plot an implicit value funtion

Previous question has been solved (Gap in a continuous plot). Here is a new related question. ...
0
votes
2answers
75 views

trouble with adding a legend to a plot

I am having trouble with adding a legend to a plot. this is my code,I tryed to use serval things,like ...
2
votes
2answers
151 views

Using ListPlot and lists of Associations

I have a list of associations : ...
1
vote
1answer
258 views

Showing separate surfaces

The XYZPipeJunction is removed using circular trig functions from Both. ...
2
votes
4answers
222 views

Problem with ContourPlot [Not smooth curve] [closed]

Here is my code ...
13
votes
5answers
807 views

Gap in a continuous plot

Why do I get a gap in the plot below and how can I fix it? (If you are interested in it, you can see a new related question: How to plot an implicit value funtion, which is also a little chanlenging) ...
4
votes
2answers
248 views

How to plot this region?

Consider the $2\times 2$ matrices \begin{align} A=\begin{bmatrix} a_{11} & a_{12} \\ a_{21} & a_{22} \end{bmatrix} \end{align} and \begin{align} B=\begin{bmatrix} b_{11} & b_{12} \\ b_{...
3
votes
1answer
694 views

List Contour Plot: Delete some contour lines, but keep the colors

I'm trying to make a Contour plot of a set of data of the kind: $(x,y,f(x,y))$ What i'd like to do is to remove the majority of the iso-line and just leave two of them, but keeping the changing of ...
4
votes
1answer
187 views

How to make a diagnostic plot for the regression?

Context I am interested in LinearModelFit, and would like to make diagnostic plots using Mathematica. I cannot find them in Mathematica document center. For example, the following R program makes ...
2
votes
2answers
489 views

The graph of inverse function $f^{-1}(y)$

Show that $f:I=(-1,1) \rightarrow \mathbb{R},$ it follows that $$ f(x)=\begin{cases} \quad1-x & \text{ as } -1<x\leq 0, \\ \frac{{x}^{-1}+ \lfloor {x}^{-1}\rfloor}{1+{x}^{-1}+\lfloor {x}^{-...
3
votes
2answers
491 views

Plotting boundary of piecewise function in ContourPlot

I am trying to do a ContourPlot of the following function: $$\psi=\begin{cases}\left(\sqrt{x^{2}+y^{2}}-\frac{0.25^{2}}{\sqrt{x^{2}+y^{2}}}\right)\frac{y}{\sqrt{x^{...
10
votes
1answer
682 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
293 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
259 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
69 views
6
votes
1answer
417 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
699 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
494 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, 1....
4
votes
2answers
136 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 terrible....
15
votes
1answer
334 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
58 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
240 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
393 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
83 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] = 11/...
7
votes
2answers
256 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
79 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
1k 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
43 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 shown?...
1
vote
1answer
184 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
167 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 ...
6
votes
2answers
241 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
473 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
174 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 ...
12
votes
2answers
345 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
347 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
474 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
2k 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
136 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
128 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 ...