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
72 views

Still more problems with Fitting, please help

I'm in a little over my head here and I'm fully aware of it, so I'm hoping for some help. I've been assigned to a project where I am given data: http://www.pastebin.ca/3061136 (Example Data) I ...
14
votes
3answers
1k views

On coloring the faces of a surface differently with parameter-dependent colors

Old versions of Mathematica ($VersionNumber < 6) supported a particular syntax of ParametricPlot3D[] that allowed for ...
3
votes
2answers
146 views

An informative contour plot

I'm trying to visualise the graph of a function $f(x,y)$ of two real variables using ContourPlot. Here are the things I'm after: The points where $f(x,y)=0$ ...
24
votes
2answers
767 views

Is there a way to have Plot draw points on a function where the function is undefined as circles as in textbooks?

A very common feature of graphs of functions used throughout textbooks are simple indications, such as open circles, of the points at which a function is undefined. Is there a way to do this in ...
12
votes
4answers
4k views

Graphics plot of point using unfilled circle

I'd like to be able to place points on a plot using Graphics[{Point[{a,b}],....}] but have the plot symbol be an unfilled circle. I've looked around but can't find ...
27
votes
4answers
2k views

Is there something like DensityPlot3D to visualize atomic orbitals?

I'm visualizing some hydrogen like atomic orbitals. For looking at plane slices of the probability density, the DensityPlot function works well, and with something ...
1
vote
2answers
52 views

Specifying the PlotRange according to a desired center

I have this plot of $f(x)=\ln x$ and the tangent line at $x=e$, and I'd like to specify the PlotRange so that it's the rectangle with its centroid at $(e,1)$, kind ...
5
votes
2answers
128 views

Problems with ListPolarPlot

I want to plot the data that I got from measuring the angular dependency of the radiation intensity of a microwave emitter. My data: ...
17
votes
3answers
1k views

Plot discontinuous function with black and white disks marking discontinuities

Let's say I'd like to plot Sign[x + 0.5]: Plot[Sign[x + 0.5], {x, -1, 1}] Mathematica will give this: This plot does ...
-2
votes
1answer
46 views

Co-ordinates/ data marker in 3D plot

How to place the data marker or see the co-ordinates in below 3D plot and how to list all data points in this plot? ...
10
votes
1answer
4k views

Plot, extract data to a file

I need to save data that Mathematica uses inside the Plot command. The format that I would like to have is: x1 y1 x2 y2 ..... ...
8
votes
1answer
503 views

Is there any way to reveal a removable singularity in a plot? [duplicate]

Let's say we have a function $f(x)=\dfrac{2^x-2}{x-1}$. The graph of the function in Mathematica looks like this: The function in question is obviously not continuous at $x=1$, but that doesn't ...
1
vote
1answer
80 views

How to reconstruct a surface given points {x, y, z} and the surface normals {nx, ny, nz} at these points

I have 3D points above a 2D regular grid. At those points I know the normal vector of the surface. I am looking a command or function in Mathematica, like ...
1
vote
2answers
102 views

How to change the scale of a ListContourPlot to logarithmic and combine it with a LogLinearPlot

My code is available from this link My questions are: 1) how can I change the compressed scale to fine one like {y = 0.1, 1, 10}, {x = 0.01, 0.1, 1, 10, 100}. ...
2
votes
1answer
52 views

ContourPlot3D, Characteristics of PDE

The aim is to plot the solution of a PDE with initial value along with its characteristics and initial value. $x u_x - y u_y = 0$ on the line $x=y=u=t$, i.e. $u(t,t)=t$ $(t > 0)$. Then the ...
6
votes
3answers
114 views

LogPlot does not show all points

LogPlot ignores points which are going to "too high" values: ...
0
votes
3answers
71 views

Confusing “Part::pspec” and “Part::partw” following call to ParametricPlot3D

The problem I'm having is that the function definition given below continually gives me baffling error messages. I'm trying to turn a list of 3D points into a function that approximates a curve by ...
5
votes
3answers
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 ...
2
votes
1answer
75 views

Plot works while RevolutionPlot3D doesn't

I am trying to draw a surface of revolution recovered from a differential equation with a singularity. In the simplest case, the answer is a sphere. You can check by hand. I manage to draw 2 ...
3
votes
2answers
131 views

ParametricPlot with 2 variables

I want to try plotting this: As you can see the first axis is v and the second is just dependent of the angle of $\Phi$ . The function is ...
2
votes
1answer
74 views

Nonlinear abscissa in TimelinePlot

I would like to produce a TimelinePlot in which the scale of the abscissa varies nonlinearly (compressing old dates and expanding recent dates). Others have ...
3
votes
1answer
89 views

Plotting Tupper's self-referential formula using ArrayPlot

For those who are not familiar with Tupper's self-referential formula, here is the wiki link. My interest was to plot it. I tried the naive approach using ...
2
votes
1answer
95 views

Minkowski sum and product of 2D-regions

Let $A_j$, $j=1,\dots,n$ be subsets of $\mathbb C$ defined by $$ A_j=\{z\,|\,f_j(z)\geq0\} $$ where $f_j:\mathbb C\to\mathbb R$ are given functions. I am interested in the following subsets of ...
1
vote
1answer
114 views

How to make a cumulative time plot?

So I'm working with this data set where there is just one input(a date and time) per line in a .csv file. I've let Mathematica understand the input using "DateStringFormat". The time looks like ...
10
votes
1answer
160 views

Enigmatic message about MaxBend

Referring to the method I proposed for Problem with ParametricPlot Mathematica 10.0.2 throws an enigmatic error message: ...
5
votes
3answers
161 views

Removing specific regions in post-processing of graphic

I'd like to create a graphic that looks like the following using RegionPlot with Mesh: I have three different plots and would ...
0
votes
1answer
59 views

Plotting with 2 variables and given list of f(u,v) values [closed]

Lets say I have a function y with 2 variables u and v : $f(u,v)=y=u+4v$ I want to plot y in 2-D. My first axis is u and my second is v. How do I plot this, if I have a list of values for my y? I ...
0
votes
1answer
74 views

InteractiveTradingChart and ChartElementFunction

I want plot a similar candlestick chart as on the picture below with blue down-candles and white up-candles with blue edges. With TrendStyle -> {White, Blue} I don't see shadows on up-candles ...
0
votes
1answer
90 views

How to apply stress (moment) graph color to cylindrical surface?

so i want to apply this graph colors to cylindrical surface. Thanks Ahead! Code: ...
2
votes
2answers
206 views

random discrete data 3D plot

I get the random discrete data as follows ...
1
vote
0answers
48 views

Apply ListPlot to various data sets [duplicate]

Assume that I have data in the form: list = {{{1, 2, 3}, {10, 10, 10}}, {{4, 5, 6}, {20, 20, 20}}} I want to plot ...
0
votes
0answers
34 views

Finding intersection of two infinitely long lines using points [duplicate]

EDITED In the Find intersection of pairs of straight lines problem, it is assumed that line are intersected by default and the purpose is to find the intersection points. In the present problem, two ...
0
votes
1answer
83 views

Intra day data with TradingChart

I am trying to use TradingChart to display some intra day data (60 s. resolution). Is there a way to modify the time displayed when moving the mouse over the data. The default setting (see top left of ...
27
votes
2answers
1k views

How does Plot work?

I considered the following function: sin[x_] := Module[{}, Print["x=", x]; Sin[x] ] in Mathematica. Next, I tried to plot it using: ...
20
votes
1answer
295 views

New behavior of PlotRange in Mathematica 10

In Mathematica 10, when I plot data that has small changes around some non-zero value, the plot chooses a PlotRange that "collapses" the data so that the variations ...
4
votes
2answers
139 views

A particular contour does not show up, even though it is in my list [duplicate]

Consider: f = Sqrt[9 - x^2 - y^2]; ContourPlot[f, {x, -4, 4}, {y, -4, 4}, Contours -> {0, 1, 2, 3}, ContourLabels -> All, ContourShading -> None] ...
8
votes
2answers
135 views

Mesh Problems with MatrixPlot

I've come across some weird behavior in 10.1 when trying to use Mesh with MatrixPlot. In the example below, when specifying Mesh, I only get one line along the X axis at 100 instead of lines at {100, ...
2
votes
1answer
108 views

Drawing lines automatically between two different plots

I try to create a special plot where several lines have to be generated automatically between two plots at very precise coordinate. My goal is to make something exactlly like But I want to do it for ...
0
votes
1answer
68 views

Complex contour plot of a function of three complex variables [closed]

eqn[x1_, y1_, x2_, y2_, a1_, a2_] := ((a1 + I a2) - (x2 + I y2))/(((x1 + I y1)(x2+ I y2)) - (a1 + I a2)) How can I plot the ...
7
votes
1answer
103 views

Export Plot3D in Mathematica 10.1 is Rasterized by default

When I use Export to export Plot3D to pdf format, I get different behaviour in Mathematica 10.1 compared to 10.0. In particular, ...
2
votes
1answer
51 views

Using Epilog to increase text size [closed]

I have a plot with labels positioned using the epilog function for convenience. I would like to increase the size of axes labels within the epilog function but I haven't managed to figure out a way to ...
2
votes
2answers
202 views

How to do make Plot automatically figure out a domain interval?

When you tell Wolfram|Alpha to plot something, it automatically figures out a reasonable domain to plot it over. When I try something like Plot x^2 + y^2 = 1000 ...
0
votes
1answer
132 views

How can I solve the sum with two unknowns?

I have the following code description ...
0
votes
1answer
48 views

How to get DistributionChart to show normalised densities?

I am having some issue getting DistributionChart to show bin widths as expected, or perhaps it is in my interpretation of the plots. I have four data sets, all of the same length, and plot them in ...