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

learn more… | top users | synonyms (5)

1
vote
2answers
76 views

Problem with FrameLabel in the ErrorListPlot function

I've been trying to print information on the axes of a graphic. I'm doing that by the option FrameLabel in the ErrorListPlot ...
4
votes
3answers
150 views

Dynamic ListLinePlot

I have a list of lists looking like this: {{{x1, y1}, {x2, y2}}, {x1, y1},...}}. Furthermore I have defined a legend, which is taken from the filenames. Now I want ...
0
votes
1answer
73 views

I can't Plot the equation -(π/4) + x - 1/2 Sin[2 x] == 0 [closed]

I'm starting with Mathematica and I can't solve numerically the equation -(π/4) + x - 1/2 Sin[2*x] == 0 using NSolve as well ...
7
votes
3answers
231 views

Timeline plotting: horizontal bars of time intervals

This text file logs the time that a process (identified by a number) changes state ("Brown", "Blue" etc.") ...
1
vote
1answer
152 views

3D Contour Plot - parts with gradients less and more than zero

I'm trying to plot sections of the 3D Contours, with gradient less than zero, and more than zero and equal to zero. It manages to solve for the derivative, but when I apply the conditions ...
8
votes
2answers
269 views

Why PlotLegends doesn't give the legends ?

I am using Mathematica 9. The problem I have is with plotlengends, in particular, ...
2
votes
2answers
268 views

Listplot imaginary part of complex numbers

I have the following list w={{0.01,99 +0.00001414 I},{0.15,6.6370108 +0.003144129 I},{0.25,3.9515722 +0.00854493297 I},{6,0.10041 +0.28132187 I}} and I want to ...
5
votes
2answers
427 views

Plotting spherical surfaces

I am trying to make surface plots of squashed spheres. The spheres are defined by a list of points. For simplicity, consider the round sphere: ...
12
votes
1answer
276 views

Plot one set of “x” with at least three sets of “y” in different scale

I'm sorry if the question is too obvious, but I haven't been able to find a straight answer for Mathematica. I have 1 set of "x" with at least 3 sets of "y" in different scales. I need to plot them ...
4
votes
3answers
196 views

I need to remove a line from a ParametricPlot

What happens is that when I make this ParametricPlot: ...
2
votes
1answer
110 views

Plotting a region with thin cusps in high-definition via RegionPlot

I want a high-definition picture the real solutions $(s_1,s_2,s_3)$ of the system of inequalities $3 s_1^2 < (s_2 - s_3)^2 + 2 s_1(s_2 + s_3)\\ 3 s_2^2 < (s_1 - s_3)^2 + 2 s_2(s_1 + s_3)\\ 3 ...
2
votes
1answer
417 views

Mapping points on the unit circle

I have a set of points P that are evenly spaced on a square grid of length 1... I would like to map these points to the circle of radius 1 as nicely as possible, while preserving relative positions ...
3
votes
2answers
81 views

Adding Text to a ListLogLinearPlot [duplicate]

I have a problem with adding text to a ListLogLinearPlot plot. The text just doesn't show up anywhere. If I use the normal ListPlot, the text coordinates go perfectly wherever I want them to: ...
0
votes
0answers
68 views

Is there a reason why some specific arrangement of scattered grid points would yield bad RBF (Obtuse package) interpolation results?

I have an arrangement of grid points given by the figure below (the datagrid data is posted below at the end of the post): They correspond to electrode positions of an EEG signal. I am ...
5
votes
4answers
289 views

Speed up Schwarz-Christoffel mapping

I would like to ask your advice how to speed up Contour and Parametric plots in the following example. Let as start by defining a function ...
7
votes
2answers
408 views

A topoplot function for Mathematica

Matlab's EEGlab toolbox has a topoplot function: http://sccn.ucsd.edu/eeglab/ A typical topographical plot of an EEG signal is given below: How can I reproduce this in Mathematica. I know that ...
3
votes
0answers
56 views

Bug when using Plot3D over an ImplicitRegion?

Evaluating this expression seems to cause Mathematica to beep and quit the kernel: ...
8
votes
1answer
308 views

Plotting a region with polar axes

I want to plot the region of points who satisfy the following equation: 2 < r <= 5 && 3/4 π < θ <= 5/4 π I have been able to plot region in ...
2
votes
2answers
74 views

InterplationOrder, ListPlot3D and using AbsoluteOption to find value used. Slow using InterpolationOrder

What lead to this, is when I noticed that ListPlot3D was much slower when adding a specific InterpolationOrder->n vs. not and ...
1
vote
1answer
76 views

Stochastic Approximation and Simulation using Running Median

I have a function $$F(X_{t+1},Y_{t}^{med})= \alpha X_{t+1} + (1-\alpha) Y_{t}^{med},$$ where $$Y_{t}^{med} = Median(Y_1, Y_2,... Y_t).$$ Moreover, $Y_1 = X_1$ and $Y_t = F(X_{t},Y_{t-1}^{med})$ ...
2
votes
3answers
158 views

Plot a one-dimensional list of numbers as a column/row of labeled colored squares

I have a list of numbers and a matching list of labels. I want to plot a column of colored squares, with the color of each square matching (in some color scale) the value of the corresponding number. ...
6
votes
1answer
182 views

ListPolarPlot: 0 Degree at vertical axis

Is it possible to have ListPolarPlot start plotting at the vertical axis? By Default ListPolarPlot gives this result: ...
3
votes
1answer
87 views

Filling dependence on order of points in ListPlot

ListPlot[{{{1, 0}, {0, 0.5}}, {{1, 1}, {0, 1}}}, Filling -> {1 -> {2}}, FillingStyle -> LightGray, Joined -> True, Frame -> True] Results in no ...
1
vote
2answers
122 views

How to do a region plot with many functions [duplicate]

Hello i am trying to compare many function, i want to see witch one as the lowest value depending on 2 variables. My solution so far is something like this: I have 7 function: P1 P2 P3 P4 P5 P6 P7, ...
4
votes
5answers
430 views

Ordering the Boundary points of a Polygon

I feel like this should be simple, but I keep running into walls. Say someone gives you the coordinates of the vertices of a pentagon and the center point of the hexagon. Is there any way to get an ...
1
vote
2answers
172 views

Listlineplot starting from 0 [closed]

I got a matrix which looks the following and should be seen as a list of pairs with (x,y) coordinates: test = {{0, 1, 2, 3}, {11000, 23940., 36880., 49820.}}; ...
6
votes
1answer
170 views

How to make Epilog render behind the main plot [duplicate]

Consider this example: ...
1
vote
1answer
105 views

Missing arrow tips and colors

My main problem is: I plotted a curve here, but the tip of some arrows are missing. Why does this happen, and how can I fix this? Not the main problem: Also, I once tried to make the arrows with ...
0
votes
1answer
136 views

Plotting an function defined by an integral [closed]

How can I plot a function defined by an integral. More specific, I have the following equation: $$ T = ...
8
votes
5answers
462 views

What is my problem with MeshFunction?

I want plot the max value in a sine plot. We can use the following code ...
0
votes
0answers
66 views

How can I display the numbers on the ordinate axis as exponentiation?

I create a Plot and I need to insert the values on the ordinate axis as exponentiation. For example if I have a value equal to 20000, view as 20x10^3. Here the code: ...
2
votes
2answers
117 views

Plot help with axes coordinates

Plot[{4 - 2 y, (5 + y)/3}, {y, 1, 10}] How do I make Mathematica tell me the coordinates for cuts with the y-axis, other than just looking at it?
5
votes
1answer
200 views

How to combine Plot and GeoGraphics?

I want to combine this map as "background" of this combined plot. How can I do it? The documentation doesn't show any similar demonstration. ...
4
votes
2answers
209 views

Adding a thick curve to a regionplot

Suppose we have the following simple RegionPlot: ...
4
votes
3answers
174 views

Plot failing over set domain with any functions

I'm here with a rather interesting problem which I have no clue how to fix. I am trying to plot a function: Plot[x && 0 <= x <= (1/8), {x,-9,9}] ...
5
votes
1answer
182 views

How to graph the revolution of solid limited by 2 points in x axis [duplicate]

I'm learning how use this program. And I have problem with how graph the solid of revolution.Here i write one exercise. y=2-1/2x, y=0,x=1,x=2; about the x-axis. This is the graph also the volume ...
9
votes
3answers
384 views

Torus triangulation

I'd like to plot something similar to this but with a triangle instead of a pentagon. Also, I'd like to triangulate the faces, that is, to insert the diagonals for each face of the 3 prisms used. In ...
4
votes
1answer
259 views

ArrayPlot copied to PDF shows blurred mesh [duplicate]

Certain (but not all) images displayed in ArrayPlot, and then copied to PDF, show what appear to be fuzzy mesh lines in white areas. An example is shown below. I ...
7
votes
1answer
169 views

How do I speed up a plotting of NIntegrate when repeated multiple times inside Plot?

I am studying a set of functions (many of which I know only as a definite integral) and I have assembled into a list. Here is a sample: ...
13
votes
2answers
328 views

Export Plots to PNG in Printout Style

When creating a plot in Mathematica 10 (OS X 10.9.4 and Win 7) the FrameLabel and Ticks are greyish and only the Frame itself is black (see Screenshot bellow). Only when exporting the plot to PDF all ...
4
votes
4answers
119 views

Plot range of a 2-dimensional function as a function depending on one variable

I want to plot a function of 2 variables x and y, for discrete values of y, like: ...
2
votes
1answer
110 views

Transparency in a 3D plot

How can I make the plane in the first image more like the plane in the second? More transparent, specially. I tried messing with the Opacity and ...
2
votes
1answer
226 views

How can I plot a circular region and lines?

I am having difficulty plotting something along these lines in Mathematica. I will explain what is going on here. Basically, I am solving an interval equation $ax=b$, in the first example $a = [1, ...
-1
votes
1answer
123 views

Formatting and inserting a parameter table into a plot

I'm fitting data, and I want to put the parameter table generated by NoninearModelFit into the plot. How can I do that in a reasonable way? I want to format the ...
5
votes
1answer
189 views

Simulation Sample Paths for Stochastic Approximation Algorithm

Let $X_t$ be IID random variables in $[0,1]$ and CDF $F(\cdot)$. Suppose there exists a variable $Y_t$ given by: $Y_1 = X_1$ and $Y_t = \phi(X_t, \overline{Y}_{t-1}), \forall t >1$, where ...
0
votes
1answer
134 views
2
votes
1answer
153 views

RegionPlot3D run forever when plotting 3D ParametricRegion

when working with 2D, RegionPlot works fine with ParametricRegion as can be seen in this example: ...
0
votes
1answer
131 views

Plotting3D Cylinders and planes [closed]

How can I plot3D cylinders $y=1-x^2, y=1+x^2$ and planes $2x+2y-z=10, x+y+z=2$ in a coordinates system?(with Mathematica)
2
votes
1answer
111 views

Multiple plots using dynamics

I am studying Dynamic and DynamicModule, and I have tried to make a simple plot of a family of real functions. The number of functions should be a dynamic variable controlled by a slider. So I have ...
7
votes
4answers
680 views

How many times do the two given curves intersect at the origin?

I'm reading/studying on my own a book about algebraic curves. I'm trying to find a way for Mathematica help me with the following (the book, ISBN: 038731802X, allows me to use any CAS / program. ...