Questions on creating visualizations from functions or data using high-level constructors such as Plot, ListPlot, Histogram, etc.
3
votes
2answers
65 views
How to display the support supp(f) of a piecewise function z = f(x,y)?
I'm wondering how to display the support $\mathrm{supp}(f)$ of a piecewise surface $z = f(x,y)$.
As an example, let's consider the following piecewise function (and plot it):
...
2
votes
1answer
58 views
RegionPlot3D Error
I have the following command:
RegionPlot3D[
Log[p1/(1 + p2)] > 0, {p1, 0, 0.5}, {p2, 0.5, 1}, {C, 0, 1}]
and my Mathematica 9 gave me the following error ...
1
vote
0answers
50 views
problem with exporting transparent object to pdf in version 9
Here is the code:
Export["~/Downloads/1234.pdf", Graphics3D[{Lighter[Black], Opacity[0.5],
Polygon@Table[{Cos[x], Sin[x], 0}, {x, 0, 2 \[Pi], 0.01}]}]]
in ...
4
votes
5answers
101 views
Sort list by day names (Monday, Tuesday, etc) [duplicate]
I have some dates in a list, and I want to plot how many of those dates are Monday, Tuesday, etc.
I'm using this:
data = {...}
Tally[DayOfWeek /@ data]
and I ...
2
votes
1answer
70 views
Transcendental equation inside another equation when 3D plotting
I have been trying to solve this plotting problem myself, and I have received a lot of very useful advice from here on Stack Exchange - but I am now at a complete loss as to how to achieve the plot I ...
1
vote
1answer
55 views
Plotting a network or a graph with given coordinates for vertices
I'm new to Mathematica yet have coded a lot in MATLAB. Currently I'm working on a network simulation. My model is implemented in MATLAB, but I need to port it to Mathematica.
Here is my question:
...
4
votes
1answer
50 views
ListDensityPlot performance when scaling axes
I need to visualize 3D data having 200*200 data points.
ListDensityPlot is a good candidate, but it seems to have strange performance issues.
I created a small ...
6
votes
2answers
119 views
Plot3D constrained to a non-rectangular region
I would like to make a nice 3D graphic of a parabolic bowl, with a cylindrical rim. If I do the following:
Plot3D[x^2 + y^2, {x, -3, 3}, {y, -3, 3}]
I get a ...
0
votes
1answer
60 views
Module Returns Two Values for Plot; I need to Color them
This is probably a very stupid question, but I've been fighting with it for quite awhile now.
So suppose you have a module:
...
1
vote
1answer
82 views
PlotStyle in ListPlot: change color scheme, manually choose color of first plot
Say i have this data:
data1 = Map[Cos, Range[0, 20]];
data2 = Map[Sin, Range[0, 20]];
And i want to plot data1 in gray and a ...
1
vote
1answer
96 views
Plotting a pattern made of repeating unit blocks but of changing width
I am plotting a pattern as illustrated in link shown below. I want to create an image of fixed size.
The whole image should be filled by repeating unit blocks which consist of black and green ...
4
votes
1answer
112 views
How to draw a Circle in a graph with Log Y Scale
I've programmed drawing tools for graph images and am experiencing a problem with the coordinates of an Ellipse on a graph with a Log Y axis.
It's quite easy to work out the Y Axis coordinates for ...
11
votes
4answers
302 views
Visualization of Bivariate Distributions
I know it is perfectly possible to show the bivariate probability distributions in MMA. But my question is can we show each dimension of distribution in 2D dimension while we are showing the 3D plot? ...
-4
votes
0answers
43 views
Overlay function [closed]
I am using Mathematica 7. The Overlay function is not working in my computer.
-1
votes
0answers
53 views
Plot multiple “functions” in WolframAlpha [closed]
I tried to multiple plot in WolframAlpha using this command from the Forum:
...
-1
votes
1answer
79 views
Why won't my function show in my plot? [closed]
I defined a function f as
f[x_] := x^3/(x^2 + 1);
and a function F as
...
0
votes
0answers
50 views
Contour plot of an interpolated input variable conditionally as functions of other inputs
I have evaluated a function of three variables.
Under loops of all three variables a list is generated for
the evaluated function.
I now like to have an idea how the first input varies in the
...
0
votes
0answers
37 views
How to plot a graph of bay of bengal and marked known two coodinates (lattitude ,longitude) in that graph? [duplicate]
I want to get a map of bay of Bengal and marked two known coordinates in that map.How can I do that ? please enplane me.
1
vote
1answer
68 views
Fixed color scale in multiple density plots with Fixed PlotLegends scale
From the great answer of Mr. Wizard, I would like to learn how to implement the associated PlotLegends scaled too. Here is the simplest example with PlotLegends, which does not look to be scaled:
...
5
votes
2answers
184 views
How to graph a series of coupled oscillators and watch the wave move along them
Here are the differential equations that set's up the 11 coupled oscillators.
...
5
votes
2answers
130 views
How to label axes in 3D plot adequately?
The following code produces plot with axes labels, which are jumping constantly.
...
1
vote
0answers
35 views
3D plot changes it's size while rotating [duplicate]
When I am rotating drawn 3D plot by mouse it rotates Ok until mouse release. After that it slightly changes it's size instantly. Probably it tries to accommodate document layout or something.
Is it ...
2
votes
1answer
58 views
White spots in ListDensityPlot
I have a problem with ListDensityPlot.
I have some data on an irregular grid.
I try to plot them with
...
5
votes
4answers
152 views
Aligning axes labels on multiple plots
I'm trying to create some "publication quality" figures, but Mathematica is fighting me all the way. So my question is: Should I switch to Origin? Please help!
Well, all joking aside: I'm trying to ...
30
votes
3answers
512 views
Why are my plots displaying behind the axes?
I need to create graphs with light gray axes and black lines. All of my plots display behind the axes. How can I make the plots display over the axes?
...
0
votes
0answers
65 views
Troubleshooting duplicated plots
Everytime I draw a plot (I tried in many different ways and the result is always the same) using the kernel I get it twice. The one I want and a copy.
I tried, for example, with this code:
...
0
votes
0answers
45 views
Change the order of magnitude on the y axis Ticks with ListPlot
I have some data plotted with ListPlot.
The values on the y axis range from -411230.40068*10^9 to -411230.20005*10^9.
Mathematica, when plotting the data, shows me on the y axis only the value ...
2
votes
3answers
121 views
Plotting the deformed shape of a rectangle
I want to plot a rectangle using graphics :
rc = Graphics[{Blue, Rectangle[{0, 0}, {1, 1}]}];
and add a deformation function to it:
$$\chi(\mathbf ...
9
votes
4answers
173 views
Plotting ErrorBars with a different style
I would like to plot the error bars of ErrorListPlot with a different style than the points. I know of ErrorBarFunction, but ...
0
votes
0answers
38 views
Is there a way to add arrows along a parametric curve inside a manipulate function? [duplicate]
I cannot find a good way to add arrows along a parametric curve that I used NDSolve to get. I have written everything inside ...
5
votes
3answers
133 views
How do I find the intersection of a closed 3D curve given by numerical data with a specified plane?
I have a list of 3D data points which form a closed curve. My own data can't be easily generated analytically, but the qualitative behaviour is well represented by a parametric curve families such as ...
3
votes
2answers
85 views
Animated Vector plot
I'm trying to make an animation of a time-varying 2D vector field. However, I'm got a difficulty in that Mathematica normalises the length of the vectors with each call to ...
2
votes
4answers
119 views
How to improve the quality of the ListPlot output
I need to plot massive data stored in external ASCII files. Below is the Mathematica code I use for this job:
...
1
vote
2answers
143 views
Finding normals to a curve through a given point
I want to find x on curve $y(x)$, where curve $y(x)$ is perpendicular to point $(x_0,y_0)$.
for this I minimize the distance between points $(x,y(x))$ and $(x_0,y_0)$, here's an example for point ...
14
votes
4answers
414 views
Plotting a contour on a torus
There are two ways to consider a two-dimensional torus. One way is to take a parallelogram (let's say the square $[0, 1]^2$) and topologically glue the opposite edges. Another way is to look at the ...
4
votes
1answer
153 views
Transcendental equation with ContourPlot3D
I am still a newbie to Mathematica, so I am still getting used to the syntax and logic of the program - but I've been trying to do the following 3D plot:
...
0
votes
1answer
58 views
Counting Stochastic Processes and displaying relative value
Counting Stochastic Processes and displaying relative value
I have two watermarks and multiple stochastic processes given. I want both to display and count the stochastic processes which are below ...
0
votes
1answer
82 views
Manipulating and plotting two interdependent functions: [closed]
I want to plot two functions. Function G8 and G9. Both should be manipulable. Function G9 should dependent on Function G8. Function G8 has a bigger starting value. If function G8 increases by δ ...
2
votes
0answers
105 views
Plotting equipotentials gone wrong
I'm plotting the equipotential of the potential function:
$$\phi(x,y,z):=\frac{1+x^{2}+y^{2}+z^{2}}{[\left(1+x^{2}+y^{2}+z^{2}\right)^{2}-4z^{2}]^{1/2}}$$
Mathematica code:
...
-1
votes
1answer
72 views
Plotting the simulation of Brownian Motions with multiple thresholds
I have the following problem: I have a watermark in this model where not only the mean of all stochastic processes is calculated, but also the mean of those processes which remain beyond a given ...
0
votes
1answer
64 views
Mathematica issue with Plot, D and SetDelayed [duplicate]
I've tried to run the following code:
f[x_] := 2 ArcTan[x] + ArcSin[2 x/(1 + x^2)];
Plot[D[f[x], x], {x, -4, 4}]
Same with ...
1
vote
3answers
155 views
plot a tube via a 4D plot [duplicate]
I have a function
f[x_, y_, z_] := Exp[-x^2]*Exp[-z^2]
which traces out a tube along $y$. Is there a way to plot this 4D function, where the plot color is the ...
1
vote
1answer
51 views
plotting output from FindRoot
I am an R user and am totally new to Mathematica. I am trying to find the roots of a system of two equations over a series of paramter values and plot the results. I can do the computation but would ...
3
votes
1answer
119 views
How can I compute and plot the 95% confidence bands for a fitted logistic regression model?
I have a set of binary data that I' d like to fit a logistic regression model to and show the 95% confidence band around the fitted function. I can produce the regression model but how do I compute ...
0
votes
1answer
53 views
Displaying Values of Fuction at end of Period by Grid
My intention is to place the values of two function into a small box within my chart. To be more precise I have two vectors.
A meanvector which shows the average value of all simulated stochastic ...
-3
votes
1answer
112 views
Probability distribution of a function
Let me restate my question. I have a function f given by some formula (it has many good properties, e.g. it is smooth except for a finite number of points and it is integrable).
I would like to know ...
0
votes
1answer
85 views
Scatterplots for subsets of multivariate data
I have a series of multivariate datasets, grouped as subsets within a nested list, that I want to visualise in a scatter plot array.
@0x4A4D's answer to this question: "Creating a data1 versus data2 ...
4
votes
2answers
154 views
Disk is displayed distorted in plot
What is the problem with my plot? I want to get a disk shape.
...
1
vote
3answers
99 views
point-wise transform of `Plot`
Suppose I have the following plot:
Plot[(1 - p2)^2/(p2^2 + (1 - p2)^2), {p2, 0, 1}, AxesLabel -> {"p2", "p1"}]
Now I want to do a point-wise transform to ...
0
votes
1answer
62 views
Stopping- threshold and stopping- time of stochastic processes.
Rod Lm helped me to generate the following code, which I want to extend a little bit. So my intention is to use the threshold (the green line) as boundary in the following way: as soon as the process ...
