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

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7
votes
3answers
572 views

How to transpose x and y axes on a LogPlot?

Consider the following simple LogPlot: LogPlot[Exp[x],{x,0,5}] Is there a nice way to switch the axes of a LogPlot? I'm aware that plotting the inverse ...
4
votes
2answers
605 views

Extrude 2D cross-section to 3D shape with shrinkfactor

I would like to create a 3D shape from extrusion and scaling of a 2D contour. The 2D contour that I have looks like this: and it consists of a bunch of points (here plotted with ...
5
votes
3answers
257 views

Spike train representation

I have a spike train. The data shows the time at which the neuron fired a spike. I want to plot them like this picture: Here is the data for one spike train which corresponds to the one of the ...
6
votes
2answers
734 views

Line style thickness differences between Mathematica 9 and 10

I execute the same code in Mathematica 9 and MAthematica 10, and have this different results. ...
1
vote
1answer
112 views

Constraint in a 2D plot with Legend

I have the following plot: ...
2
votes
2answers
641 views

Line Breaks in AxesLabel or PlotLabel?

Searching got me peripherally related threads, but not exactly what I was looking for. I'm making some graphs which I want to use on exams. Sometimes, labels (specifically in AxesLabel and PlotLabel) ...
3
votes
2answers
302 views

Contourplot of complex Roots

Suppose I have this equation: $$ z^2 + 3z + (x^2 + y^2) = 0 $$ I want the real and complex contour plot of $z(x,y)$. Analytically, the real/imaginary boundary is separated by condition $x^2 + y^2 ...
4
votes
2answers
466 views

Conversion of 3D plot to 2D Contour Plot

Is it possible for Mathematica to convert a 3D plot into a 2D contour plot without having to recompute the values for each point? I realize that looking directly down at the 3D plot will be similar to ...
0
votes
2answers
143 views

Plot a perfect looking circle using two functions, always look like an ellipse [duplicate]

I want to use the the following two functions to plot a perfect looking circle, but the graph always ends up looking a bit squashed. I've been playing with some of the parameters of the function but ...
0
votes
1answer
85 views

What is wrong with ContourPlot [duplicate]

Why does this plot have a big blank hole in it? ...
3
votes
1answer
176 views

Aborts and beeps without error warning

I have a piece of code that generates a figure, performing a calculation to generate each pixel. At a certain resolution it runs fine, but after a high enough resolution it fails. Mathematica beeps ...
17
votes
2answers
486 views

Where can I get detailed information on how the Plot command works?

The command Plot[x^2, {x, -3, 3}, PlotStyle -> Arrowheads[{-.025, .025}]] /.Line -> Arrow produces this output. What I don't understand is what ...
2
votes
1answer
112 views

What is the correct way to plot a dynamically generated list of functions?

For example, I want to generate a list of random waves and plot them. Then I wrote f:=Random[Real] h:=Floor[f*20] And then ...
16
votes
4answers
662 views

HoldForm doesn't hold form

Bug introduced in 10.0.0 and fixed in 10.0.1 In Mathematica version 10, HoldForm no longer produces the same results as in version 8 (edit: I only have versions ...
2
votes
1answer
75 views

LevelScheme for ListPlot Joined->False exceeds the size of the Panel

In two side by side panels, using LevelScheme, I output the same data using ListPlot. In the first panel I use option Joined->False, while in the second Joined->True. The data in the second panel is ...
0
votes
0answers
116 views

Invert 3D objects (shape) to 3D patterns objects (shape)?

Is it possible to invert the 3D object (positive model) to 3D pattern objects (negative model) (for example, patterns for casting). For example (positive model): ...
13
votes
5answers
614 views

Plot the plane so different condition has a different color

I have a list of functions defined on the plane, and I want to know which one of those functions is smaller than the other functions at particular points. Currently, what I do is ...
1
vote
0answers
19 views

LegendLayout not working as asked [duplicate]

Why the following code does not result in row layout as specified (see the attached picture for result)? ...
1
vote
2answers
144 views

How to widen PlotLegends?

I have a plot whose legend, when placed at the bottom, is two lines rather than one: ...
7
votes
1answer
250 views

Can't plot rotated region

I was experimenting with the code from this question when I ran into another problem with regions. ...
2
votes
0answers
92 views

How to transform frame ticks from 1, 2, 3, … to x, 2 x, 3 x, …?

I want to replace the numbers on a framed plot's axes with that number multiplied by a variable, call it x. (The idea is that I'm plotting things which depend on ...
2
votes
1answer
213 views

Two discrete colors for surface with ParametricPlot3D

I am trying to create a plot of a surface that is yellow above the xy-plane (z>0), but blue below (z<0). My first attempt was to use ...
3
votes
1answer
90 views

Radius Values not Displaying in (List)PolarPlot

I'm having troubles with the PolarAxes option in ListPolarPlot under Mathematica 8.0. To be more specific, when I run the ...
2
votes
1answer
143 views

How to put labels on a 3d plot

I'm close, but I'm stuck. Here's my code so far: ...
0
votes
1answer
172 views

Plot3D unable to understand input function

I'm attempting to plot the Wigner Function of the Morse Oscillator defined as ...
11
votes
3answers
211 views

Strange Behavior in Barchart LabelingFunction

Bug introduced in 10.0.0 and fixed in 10.0.1 BarChart formatting algorithm make me loose some time today in V10. Now, ...
3
votes
2answers
588 views

How to get axes labels with PlotTheme->“Scientific”?

I'm liking the new plot themes in Mathematica 10, but finding that I can't override the options it sets. For example, ...
8
votes
1answer
591 views

How can I plot a Chebyshev spiral?

The Chebyshev polynomials T_n of the first kind are a certain set of orthogonal polynomials. They can be defined by T_n(cos(x))=cos(nx), the first of them are T_0(x) = 1 T_1(x) = x T_2(x) = ...
0
votes
1answer
120 views

Manipulate Discrete Values Labelling

I have 3 lists of plots (generated in other code), rawplots, weightplots,linearizedplots. ...
3
votes
3answers
308 views

Plot least squares curve on Linear Log Plot

I have the following Data: ...
2
votes
2answers
1k views

How do I plot points on a sphere using spherical coordinates?

Currently, I have a matrix containing a list of spherical coordinates. Column 1 is r; r=1 for all points. Column 2 is theta and column 3 is phi. Each row is an ordered triple (r,theta,phi). Is there a ...
1
vote
1answer
382 views

Ploting legends in contourplot

In Mathematica 8. Given this: ...
6
votes
1answer
355 views

BoxWhiskerChart - 10-90th percentile instead of min - max

I am trying to draw a custom BoxWhiskerChart with alternative values determining fences. I have data that has a lot of outliers and I have to compare it to another chart that has 10-90th percentile ...
1
vote
1answer
446 views

ListPlot[] code for CSV file not working

I have a CSV file with $9$ columns. I want to plot them in the following way. Column $1$ will be along the $X$-axis. Any point $(x_i, y_i)$ of $i$-th curve in the plot will have the $x$ value from the ...
0
votes
0answers
181 views

StreamPlot,StreamPoints and the Fisher's equation

I'm trying to reproduce a StreamPlot from a vector field encoundered while analyzing the Fisher's equation (http://en.wikipedia.org/wiki/Fisher%27s_equation), for a ...
1
vote
2answers
317 views

Plotting 3D piecewise function with distinct colors

I want to draw the following picture in Mathematica as shown below with distinct color for each section.
0
votes
2answers
339 views

intersection between two curves in Mathematica [duplicate]

I have a ListLinePlot of some datas and a plot of a constant function. How can I find the intersection point? My data are: ...
2
votes
2answers
205 views

Changing axes in ContourPlot

I'm new using mathematica. I'm plotting a funcion that depends on two variables (r and C) let's say z= r^2+c^2 When I use ContourPlot, level curves are shown in a r-C plane. I'm trying to obtain the ...
7
votes
1answer
147 views

Issue with PieChart3D in Version10. Is it Mac specific?

Bug introduced in 10.0.0 or earlier and persisting through 10.0.0 or later I was testing version 10 to see if the ImagePadding bug described here had been fixed ...
4
votes
1answer
409 views

How does epilog position work in logplots?

I'm trying to use Epilog in my plots but the way that Epilog uses coordinate positions isn't making sense to me. As a minimal ...
0
votes
1answer
194 views

How do I subtract two contours?

Suppose I have this contour described by the equation the root $z$ of this equation $$ \frac{1}{x^2 + y^2} + \frac{1}{xz} = 2y $$ Now suppose the equation is tweaked slightly, with an addition of ...
3
votes
3answers
531 views

How to simultaneously change the color and thickness in ContourStyle?

When plotting contours with ContourPlot, one can use the option ContourStyle to change the contours of the plot. With the ...
0
votes
1answer
127 views

Why won't mathematica plot the 3D Contour of this function?

I want to find the 3D contour of the equation1: ...
1
vote
1answer
174 views

Legend in a Show

I am trying to put some legends on a graph but I am not able to do that. This is my code: ...
4
votes
2answers
416 views

How to get a uniformly distributed list of points from a B-spline function [duplicate]

I created a spline function from a list of points and made a plot as follows: ...
2
votes
2answers
96 views

Can I change the font of all elements in my barchart with one property?

I have this BarChart: created with this code: ...
3
votes
1answer
126 views

How can I make labels with units and then position the label to the right of a bar?

I want to add units to my numbers to display them as the labels of my chart. I tried this: ...
0
votes
0answers
51 views

how to create a slope field in mathematica? [duplicate]

Anyone have any good resources for learning mathematics, already sufficient in JAVA. not math... only in calc 2. I want to plot the slope field of ...
1
vote
2answers
411 views

How to plot multiple curve in a same plot with Manipulate

The manipulate function in Mathematica allows the users to adjust the values of the parameters in a graphical way. How do I plot multiple functions in a same graph and also I can use manipulate at the ...
2
votes
2answers
308 views

Problem with Poincare section

these are equations for some double oscillators: $x'(t)=p, p'(t)=-x-3y, y'(t)=q, q'(t)=-y-3x$ I would like to plot the Poincare section for collection of $(y,q)$ when $x=0$ and $x'(t)>0$ (or for ...