Questions on creating visualizations from functions or data using high-level constructors such as Plot, ListPlot, Histogram, etc.
7
votes
1answer
130 views
PlotMarkers doesn't inherit PlotStyle when Graphics[a] isn't a List[]
Could somebody explain, why Circle does not inherit the PlotStyle of the plot when used as ...
5
votes
1answer
56 views
Combine absolute and relative (scaled) coordinates
I am using Inset to add an Epilog to a plot. The position of the images (in my case: framed numbers) can be specified as an ...
6
votes
0answers
233 views
Incomplete implementation of units?
I've been playing around with the new units capability in MMA9 and I'm becoming a bit frustrated with what I perceive as an incomplete implementation of this capability and I'm wondering if there are ...
6
votes
0answers
115 views
Break[] inside ColorFunction
f[x_?NumericQ]:= (Do[Break[],{i,1,2}];x)
Plot[x,{x,0,1},ColorFunction->(ColorData["Rainbow"][f[#]]&)]
Break::nofwd: No enclosing For, While, or Do found ...
5
votes
0answers
195 views
3D visualization of 4D object data
I have some paired data here {{x1,y1},...{x_n,y_n}} (Download link) which represents {frequency, amplitude} of a spatial object surface mesh. Its quite a lot of cells and data as you can see in the ...
5
votes
0answers
295 views
How to map rotate, pan, zoom to manipulate controls
I am wondering if there is a way to restrict the motion of the rotate mouse cursor in when moving around a 3d plot.
For example, I want the y direction of the cursor to correspond to pulling the z ...
4
votes
0answers
93 views
Why can I Plot3D with values up to the range of 3 x 10^37 without issue, but at 6 x 10^38, it fails in Mathematica?
In mathematica I'm trying to plot this, using Mathematica 9 (trial):
Plot3D [-x + x^(1 + y)/(1 + y), {x, 0, 37}, {y, 0, 37}]
It plots just fine. If I ...
4
votes
0answers
134 views
Artifacts in Line Plot from InterpolatingFunction
I have a periodic solution from an NDSolve that is producing an InterpolatingFunction. With the default plot settings, there is not enough PlotPoints/MaxRecursion to resolve the peaks in the function:
...
4
votes
0answers
73 views
Editing preset schemes
Mathematica has many preset schemes, for example "DarkRainbow" and "FadingRectangle":
...
3
votes
0answers
72 views
Why do vertex labels disappear when I edit with drawing tools?
I'm trying to change the text and arrow style in GraphPlot using the drawing tool, but the the vertex labels disappear when I do that:
...
3
votes
0answers
189 views
A is fast, B is fast, but together they're Mathematica-crashing slow?
I'm trying to do something with finding solutions to a quantum mechanics problem with n wells. If there are 40 wells, I need to find the solution to an equation in the form:
...
3
votes
0answers
164 views
Scale plot display area (within the frame)
I have 2 data sets of equal length. I've done a LinearModelFit of them which gives me:
...
2
votes
0answers
106 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:
...
2
votes
0answers
142 views
why version 9 is much slower than version 8 in producing these graphics
Consider this example(taken from Thomas's question here)
...
2
votes
0answers
71 views
Exporting plots
I want to export a plot which includes curve fitted to a multiple data set.
shortly ( I use autolegend function Here )
...
2
votes
0answers
80 views
2
votes
0answers
160 views
VectorPlot scaling problems
When I plot a uniform field with zero values everywhere with the following command: VectorPlot[{y - y, x - x}, {x, -3, 3}, {y, -3, 3}]
the result are horizontal ...
2
votes
0answers
132 views
how do you fix an axis in place for a movie?
I have a series of txyz coordinates, which I am plotting in space to create a movie of the objects' time evolution. With something along the lines of (simplified):
...
2
votes
0answers
105 views
Editable keyframe curves
Any suggestions for a good approach to implementing a zoomable 'keyframe' based curve editor? Essentially, something akin to the functionality of the graph editor in animation packages such as Maya. ...
1
vote
0answers
57 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 ...
1
vote
0answers
82 views
How can I say that all quantities need to be positive (and real)?
Can you say at the beginning of a script in mathematica that you want all the quantities to be positive (and real)? So that in all calculations, only the real values of these quantities will be ...
1
vote
0answers
72 views
How can I convert a plot to pdf or eps without errors?
Mathematica 9.0.1, Linux. I try to save a plot as a pdf. I tried four different options. In each case some errors appeared as blank space
( http://yadi.sk/d/h1koyDci4z3rc ). I also tried to save ...
1
vote
0answers
62 views
Distribution above pointplot
This is my first question here, so I'm sorry if I do something wrong.
Also I'm fairly new to Mathematica (using 8). I've used it about 2 months. Only 2 weeks intensive. The rest was about ...
1
vote
0answers
49 views
Comparing data sets with fade transitions (Code speed-up)
I am using the utility below for data comparison. However, with my real (more complex) charts the processing is quite slow, so setting the Pause time under ...
1
vote
0answers
76 views
Mathematica 3-D plot (discrete/continous)
I want to visualize a 3-D function in Mathematica, Say F(x,y,z)=0, But there is a small difference here with typical z=f(x,y). Because of it's complexity, I decide to consider the z parameter as a ...
1
vote
0answers
79 views
Is it possible to mask a vector image?
I am trying to plot a contour plot within a non-rectangular region. I have seen in other posts techniques that involve calculating an interpolation function and using the RegionFunction command within ...
1
vote
0answers
58 views
Is there a relatively easy way to add the “Cone of Influence” to a waveletscalogram?
I am analyzing time series data using the ContinousWaveletTransform function, and plotting the results with WaveletScalogram. I would like to plot the cone of influence on top of the WaveletScalogram ...
1
vote
0answers
59 views
Problem with large values in ParametricPlot
I've got a question quite similar to No 18163:Problem with high parameter values in ParametricPlot, but the solution of that problem did not work for me. So I hope you may have another tip.
I want to ...
1
vote
0answers
109 views
PlotLegends in ListContourPlot for triplet of data showing strange numbers
I am taking here just a modified example from the Mathematica documentation of ListContourPlot, because I have in principle the same problem:
...
1
vote
0answers
123 views
Table not working with Plot
Because NIntegrate[] does not support parallel computation out of the box, I'm doing a simplified version by breaking the integration limit into pieces and using ...
1
vote
0answers
261 views
Calculating the mean curvature of a surface - suggestions
I am attempting to calculate the mean curvature [1, 2] of a surface defined by a function of x and y.
My function is rather ...
1
vote
0answers
534 views
PlotLegend Problem
I was using PlotLegend in Mathematica to label different data sets in a plot. But after generating the plot when saved / exported the image in pdf, gif or png ...
0
votes
0answers
19 views
How to substitute functions with numeric values for a model running the variational package?
I have designed and running a model using the variational package. I need to now substitute numeric values and plot the graphs. Can anyone please help or guide with the command input I should be ...
0
votes
0answers
51 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
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 ...
0
votes
0answers
41 views
Subset of edges with a different color
I want to color a subset of the edges of my graph with a different color.
My graph currently has a large number of edges, so the following is just a toy example
...
0
votes
0answers
35 views
How can I solve this differential equation for some restricted domain and plot the solution for some values of the parameter
I have encountered some problems when solving this DE. I am wondering if anyone could help me point out the mistakes.
The question says:
Obtain and verify a symbolic solution for ...
0
votes
0answers
87 views
0
votes
0answers
44 views
Can I specify that Plot or ListPointPlot should place a y-axis on both the LHS and RHS side of a plot?
The title mostly contains the question - how can I specify that Plot or ListPointPlot should place a y-axis on both the LHS and RHS sides of a plot field?
0
votes
0answers
40 views
Plotting a mixture CDF with a truncated distribution in version 7
I'd like to plot the CDF of the following pdf in Mathematica 7:
$$f(x)=0.1 g(x)+0.85 m(x)+0.05 h(x)$$
where
$$
\begin{array}{ccl}
g(x)&:&P(0)=1,\ P(x\neq 0)=0\\
...
0
votes
0answers
74 views
Fourier transform of a signal
I have problem of finding right answer for my problem.
Here is my equation:
$$E(t)=\sum_{n=1}^{\infty} c_n \sin\left(\frac{n \pi}{T}t\right)$$
What have I done:
I have a notebook asking for 3 ...
0
votes
0answers
124 views
How can I add standard deviation to my plot?
I have a plotted my forecasted and real data in one graph, but I can't figure out how to plot the standard deviation on the same graph. The following is the code I have used:
...
0
votes
0answers
109 views
Copy and pasted graphics are fuzzy
I have a function that creates a 2D line with filling to the axis. When I copy this graphic into word it is very fuzzy, so much so that the numbers and text are almost unreadable, not to mention the ...
0
votes
0answers
101 views
ListPlot and Union related question
This is the question that I got for my assignment:
In a square room with 7 m-long sides, five people (black circles) have
shot at random people. They all had two bullets and killed two people
...
0
votes
0answers
67 views
Error changing edge thickness in a GraphPlot
I'm having some problems with the Mathematica graphics inspector. I want to make a graph with the following code:
...
0
votes
0answers
174 views
Get data from user CDF
I am just starting with mathematica and need to sift through the things which I need for my project.
I plan on developing an application that gets electrical system parameters like R,C,phase ...
0
votes
0answers
171 views
Alignment and Plot size problem in PopupMenu
I have three plots in an OpenerView named "PopupWindow", "MouseOver" .
...
0
votes
0answers
254 views
Unexpected result from contour plot - where is the color gradient?
When I plot a contour plot of my (in)famous code :P I get some unexpected results that I don't quite understand.
My code (the one that has ...
-6
votes
0answers
111 views
Extracting points data from a 3D curve surface?
I have a 3D data set, and I have used it to create a 3D plot, but some of the data points are errors and need to be removed. How I can I remove the bad points from the plot?
...
