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

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1
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2answers
34 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 ...
0
votes
1answer
38 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
33 views

How can I increase plotting resolution with RegionPlot3D?

I am trying to plot a region with RegionPlot3D, but I have some problems. Here's the code I use: ...
0
votes
0answers
32 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
57 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
1answer
14 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 ...
0
votes
0answers
34 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 ...
0
votes
1answer
29 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:(c) Calculate the partial vapor pressures of ...
1
vote
0answers
38 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
32 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 ...
0
votes
0answers
26 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
49 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
19 views

FindRoot, plotting and conditionals

I was playing with a linear model of mine and came across with the following problem. I'd like to plot the FindRoot solutions of the model with different parameter values. I already found I nice ...
-3
votes
0answers
33 views

Plotting a logarithmic function with absolute value [on hold]

func[x_] := Log (Abs[x - 4]) + E^x; Plot[func[x], {x, 0, 5}] As you can see I did it above but it will not output the graph, am I missing something or is my ...
1
vote
1answer
21 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
39 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
81 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?
-1
votes
0answers
33 views

Basic Plot but no output is given [on hold]

f[x_] := (x - 2)^3 + cos(5 x - 10)/10000 Plot[f[x], {x, -14, 14}] I set the function and the output for my graph should look almost like a cubic function, ...
3
votes
2answers
111 views

ListLogLinearPlot for the whole real numbers

I have the followin data ...
1
vote
0answers
37 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
64 views

How can I plot a graph of an integral?

I want to plot the following function: $$\int \left(\frac{\Gamma (x+1)}{2}-\frac{\Gamma (x-1)}{2}\right) \, dx$$
0
votes
1answer
60 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] ...
0
votes
0answers
29 views
8
votes
3answers
348 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
40 views

Plot 3D with conditions and variables dependent on each other

I m trying to do something like this: ...
0
votes
0answers
25 views

about Updating Wagon's FindAllCrossings2D[] function [on hold]

I am working with the shortest version of FindCrossings2D, which was provided by Vitaliy Kaurov. Here is Vitaliy's function: ...
4
votes
4answers
128 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
49 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? ...
1
vote
2answers
192 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
32 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
99 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
34 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 ...
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
78 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
0answers
50 views

PDE solved with NDSolve. How can I plot the partial derivatives of the solution? [closed]

I solved this PDE pde = D[B[t, T, r], t] + a*(b - r)*D[B[t, T, r], r] + 1/2*sigma^2*r*D[B[t, T, r], {r, 2}] - r*B[t, T, r] == 0 with this parameters and ...
-1
votes
0answers
27 views

Exploration of the region satisfying the follow conditions

I posting my code which I am using to find data points satisfying the following condition, but from this I can only able find data points of the certain curve. But I want to find the whole region ...
0
votes
1answer
31 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 ...
0
votes
0answers
36 views

plotting a box in Mathematica [closed]

I know by using UnitBox box of width of any extent and height of 1 unit can be plotted as ...
0
votes
2answers
67 views

Plot Bivariate Data with Marginals

I would like to plot bivariate data along with the marginal distributions. I've arranged the plots in a GraphicsGrid as below but the marginals are centered away from the bivariate plot and I wonder ...
0
votes
0answers
44 views

ContourPlot color problems

I tried to use contourplot to a 2D fucntion with rescaled color, the code is given below ...
2
votes
0answers
38 views

Surface Plot 3D of a strongly concave shape

I have a list of {x,y,z} points that all lie on the surface of an object (model output from COMSOL). I would like to generate a graphics object that reproduces the surface. Ideally, I would like ...
2
votes
2answers
49 views

Problem with the BarChart3D function

I have a list of values {x,y,z} and I would like to create a 3D bar chart with axis x,y,z . ...
1
vote
1answer
62 views

The relative motion of the points about the common center of mass

There are 2 points with masses m1 and m2, their common center of mass   rC,r1 and r2 their radius vectors, r=Abs[r1-r2]. I built a trajectory of both material points, as well as their common center of ...
-1
votes
1answer
25 views

How do I get axes labels in a DensityPlot? [duplicate]

I am trying ...
2
votes
1answer
171 views

Weierstrass function

I am trying to create plot of the Weierstrass function in Mathematica. I wonder if it's possible, when I define this function as ...
2
votes
1answer
71 views

Is there a plot style for PolarPlot to look like matlab polar()?

The plot style of Matlab's polar function appears to be pretty conventional for antenna radiation patterns in the references I'm looking at (sometimes with tick markings that count +- from the ...
-1
votes
2answers
117 views
1
vote
1answer
57 views

Draw two curves and a surface

I'm trying to draw two curves and a surface, where one of the curves is to appear on the surface. Unfortunately the curves are drawn with very few points and appear extremely unclear. Is there a way ...
2
votes
2answers
57 views

Color points in ListPointPlot3D

I have some 3d points with coordinates and a value assigned to each point. I want to plot the points and depending on the value use a different color. I have tried to use the answer in ListPlot3D - ...
3
votes
2answers
135 views

How can I create a 3D representation of an object with known coordinates and adjacency table in mathematica?

Basically I want to create an object with specified coordinates and adjacency table, like in page two of this article. I'm completely new to using Mathematica, any help would be great! EDIT: So I ...