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

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9
votes
0answers
151 views

Behavior of TimelinePlot with multiple datasets of associations

Bug introduced in 10.1 and persisting through 10.2 or later The following TimelinePlot behaves as I would expect: ...
0
votes
1answer
108 views
1
vote
0answers
49 views

How to plot three related differential equations in Mathematica?

Eq1: $ \frac{1}{3\phi}=\left[\frac{x}{x+1}\frac{d^{2}}{dx^{2}}+\frac{2x+1}{(x+1)^{2}}\frac{d}{dx}\right]{\phi^{2}} $ Eq2: $ ...
3
votes
1answer
200 views

How can i subtract a surface from another

I have one surface which i got with using analytical solution. And one by ListPlot3D. My question is how can be withdrawn from the one from the another. ...
3
votes
1answer
118 views

White Lines in Contour Plot and 3D Plot

This is a follow up question to the original question here (has a solution). I am plotting another different total potentials and for this particular case the repulsive potential is a rectangle (open ...
1
vote
3answers
134 views

Plotting Intersecting Circles On A 2-D Plane

I am new to Mathematica and I would like to plot a number of circles all onto the same graph. I would like to visually observe which circles intersect each other. One constraint on all the circles is ...
-2
votes
1answer
62 views

Plot of a R -> R^2 fuction [closed]

I have an algorithm that when you insert the parameter B, the function gives a solution {x,y}. How can I plot that? I tried ...
4
votes
1answer
121 views

StreamPlot slow in version 10

In version, 10 StreamPlot seems to calculate many more points along each streamline than necessary, compared to version 7. For example, from Mathematica ...
0
votes
1answer
136 views

How can I create a phase plane? [duplicate]

I want to make a phase plane for an equation system. I want it to look something like a Mu-Space in Stat-Mech. Basically I want it to show the same system with various different initial condition ...
5
votes
2answers
206 views

Labels strangely rendered in PDF

I'm new to Mathematica so I apologize if this is obvious to answer. Anyway, using the following code (most of it is extraneous, to make the plot look the way I want) I plotted the Morse potential, ...
0
votes
1answer
110 views

Plotting with arbitrary units

I would like to plot, say, Sin[x/a] with multiples "a" showing on the x axis as units. How can I do that ? I have tried setting the plot limits e.g. {x, -2a, 2a}. I cannot plot said function even ...
0
votes
0answers
73 views

Aligning multiple TimelinePlot's: PlotRange problem

Is there an effective method to specify PlotRange in TimelinePlot? ...
1
vote
2answers
89 views

Label point on plot with image instead of text [closed]

I can use this code to label my points with text. ...
2
votes
2answers
127 views

Filling between more than two boundaries

Here is a simple example of what I am trying to do; fill the area described by the three inequalities: $$ y \le 11 + x \label{1} \tag{1}$$ $$ y \le 27 - x \tag{2}$$ $$ y \le ...
4
votes
1answer
89 views

How to use Epilog with Tradingchart

I am making a Tradingchart with data returned from Financialdata. I find I cannot add a line to the chart by giving the option ...
1
vote
2answers
60 views

Coordinates of MeshPoints

The output of a set of differential equations solved with NDSolve produces a series of curves and I need to obtain the spacing between these curves at a given level ...
1
vote
1answer
90 views

Plot a parametric equation in cylindrical coordinates

I'm looking for a way to plot this parametric equation on cylindrical coordinates. r = e^t theta = t+1 z = e^2t Any help would be appreciated
0
votes
0answers
35 views

How can I increase plotting resolution with RegionPlot3D? [duplicate]

I am trying to plot a region with RegionPlot3D, but I have some problems. Here's the code I use: ...
-1
votes
1answer
99 views

Function for importing and plotting data from excel spreadsheet

I know this must be a very basic question, but I could not find any answers. I need to create a function that: 1) imports data from an Excel Spreadsheet, 2) assign specific information from this xlsx ...
18
votes
5answers
536 views

Plot a partition of the sphere given vertices of polygons

I saw in this question that Mathematica can draw spherical triangles. I guess something similar can be done to plot a spherical polygon. I am interested in something similar: I have a set of ...
2
votes
2answers
81 views

Why is there always a horizontal tail line on the parametric curve?

I am trying to create a smooth, piecewisely continuous and differentiable curve by using Mathematica's Floor function, which is as in: ...
0
votes
2answers
31 views

Barlegend with a different z span for ListDensityPlot

I would like to rescale the colors in a plot and to do this in the same way for the color bar. (So this enables me to have the color bar span a (z) range larger than than the data itself.) I got this ...
-1
votes
1answer
43 views

Not plotting elliptic integrals [closed]

Integrate[1/Sqrt[mu^2 - Cos[t]^2], t] CenAng[t_, mu_] := EllipticF[t, 1/(1 - mu^2)]/Sqrt[mu^2 - 1] ParametricPlot[CenAng[t, mu], {t, 0, Pi/2}, {mu, 1.01, 3}] ...
0
votes
0answers
48 views

Trying to plot solution curves on top of a direction field

I'm trying to do some diff. eq. homework that requires taking a general solution to a differential equation and graphing a series of possible solution curves over a direction field of the general ...
2
votes
1answer
69 views

Calculate the partial vapor pressures of a variable at xB = 0.75 based on the interpolation functions of the data

I'm having troubles in solving an exercise for an assignment in my Chemistry course. Talking about interpolations, I've already have a graph but I need to calculate the partial vapor pressures of ...
1
vote
0answers
71 views

NDSolve Poisson PDE for rectangle with hole

When I solved the Poisson PDE with function NDSolve in a rectangular domain with hole in the center, and search the first derivative with x and y why appear these protrusions on the diagram around the ...
0
votes
0answers
35 views

Plot gives different result than direct evaluation (Plot[f[x]] obtains answer while f[x] fails)

I have a fairly complicated function that has its origin as the polarized intensity of light as derived from a so-called response function. In any case, it involves complex exponentials and other ...
3
votes
1answer
65 views

Set fontsize using setoptions not working in DateListPlot

I'm trying to use SetOptions to set the global font size for DateListPlot plots. My problem is that this is not working. Event this simple test does not change the font size: ...
2
votes
1answer
64 views

Improving a jagged Tube[ ] edge

While trying to improve this answer of mine, I found it difficult to get a smoother edge. Any ideas? ...
0
votes
0answers
93 views

Plotting FindRoot solutions against one parameter, varying another

I'm writing my question wholly anew as it has changed its form a bit and I've got some actual code attached as well. I've got a system of equations for which I find numerical solutions with FindRoot. ...
1
vote
1answer
29 views

When using PopupMenu other controls stop working

I have an interactive plot in a Manipulate expression with a PopupMenu. I want to be able to select the function being plotted ...
0
votes
2answers
57 views

How to plot a function and data at the same time?

I know that ListLinePlot allow to plot data, but I would like to compare my data with some analytic function in the same plot. Is it possible to listlineplot data and plot a function at the same time? ...
2
votes
1answer
128 views

Dual Axis Histogram

I'd like to plot two histograms on top of one another, but they have very different scales. Is it possible to plot a histogram with two y-axes, similar to the custom function found here for plots?
4
votes
2answers
181 views

ListLogLinearPlot for the whole real numbers

I have the followin data ...
1
vote
0answers
52 views

Mathpsfrag: failed setup at MathPSfragConfigurationTest (UnPSfrag) line (Windows 8)

I'm trying to follow the documentation on how to get mathpsfrag set up on Windows 8 (64-bit). It failed at the line ...
-1
votes
1answer
112 views

How can I plot a graph of an integral?

I want to plot the following function: $$\int \left(\frac{\Gamma (x+1)}{2}-\frac{\Gamma (x-1)}{2}\right) \, dx$$
5
votes
1answer
305 views

Lagrange Multiplier

We are asked to maximize and minimize $f(x,y)=4xy$, given the constraint $4x^2+y^2=8$, using the Lagrange Multiplier method. First, I enter the functions f and g. ...
0
votes
1answer
68 views

DensityPlot and KroneckerDelta

I have the following DensityPlot: DensityPlot[Sin[x] Sin[y], {x, -Pi/4, Pi/4}, {y, -Pi/4, Pi/4}, ColorFunction -> "SunsetColors", PlotLegends -> Automatic] ...
8
votes
3answers
404 views

Turning a set of random walk data 45 degrees

I have a set of data that is just a "random" (generated by me, not by computer) sequence of length 2000 of 1's and (-1)'s. I used it to plot a 1-D random walk where +1 is step up, (-1) is step down, ...
0
votes
1answer
67 views

Plot 3D with conditions and variables dependent on each other

I m trying to do something like this: ...
4
votes
4answers
168 views

Get Axes Range of Plot?

Say I have some plot plot = Plot[Sin[x], {x,0,10}] (*as an example*) Is there a way I can get the x and y axes min/max values from the "plot" variable? If I ...
3
votes
1answer
80 views

How to change line lengths in LineLegend

How can I shorten the lengths of the LineLegend[] lines in the following plot? Is there a way to control line spacing as well? ...
3
votes
3answers
257 views

3D Gamma function

I try to plot the following function: Plot3D[Gamma[1+0.5*(n+m)]/Sqrt[Gamma[1+n]*Gamma[1+m]],{n,0,1000},{m,0,1000}] I expect that for m=n and near to it the value ...
0
votes
0answers
66 views

3D scatter plot with specific collor for each dot [duplicate]

I'm a chemist and using cartesian coordinates I've created a 3D scatter plot of my molecule: There is one attribute that I want to show and it is a value that range from -6 to 6, lets say. I'd like ...
1
vote
2answers
153 views

Using Specularity effects and ColorFunction in Plot3d

I'd like to reproduce the 3d surface of the attached image . What I'm interested in, is the light reflection at the basis of the surface and the rainbowlike color. I use Plot3d and colorfunction in ...
0
votes
0answers
70 views

Export a 3D array (with time) from matlab to mathematica

I am using again Mathematica and enjoying it. I have a question, is there a way to do a "time" plot of 3D vectors? I try to be more clear, I have 12 vectors (3D vectors). They are changing over ...
1
vote
1answer
85 views

How to list plot data where the slope determines if it is plotted from a list of data?

I am trying to listplot data from a list of data where the slope of the curve determines if it is plotted. Example: Lets say the data measured is of the form x^2. I measure this data multiple times ...
0
votes
0answers
12 views

Dashed/Hatched filling in RectangleChart [duplicate]

I am making a RectangleChart where I want one of the rectangles to be hatched (dashed filling). You would think this would be easy in Mathematica, but I have not been able to find the code for this. ...
0
votes
2answers
118 views

How to change plot unit or scale the number of axis?

I want to use ms instead of s as the unit of x-axis. But frameticks seems not to work here as it cannot change the value of x-axis. How to replace the number of x-axis 0.0001 with 1 or 0.1? Or just ...
0
votes
1answer
57 views

Plotlegend does not work [closed]

I am trying to add a legend to a plot, but sometimes it work and sometimes it doesn't work and I don't understand why. For example, when I use the following code, I get as an error "Unknown option ...