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

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6
votes
2answers
292 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
167 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 ...
1
vote
2answers
142 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
163 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
141 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
63 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
251 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
36 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
151 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 ...
20
votes
5answers
749 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
89 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: ...
1
vote
2answers
75 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
46 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
95 views

Trying to plot solution curves on top of a direction field [closed]

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
72 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 ...
4
votes
1answer
150 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 ...
4
votes
1answer
116 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
75 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? ...
1
vote
1answer
38 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
73 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
227 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
205 views

ListLogLinearPlot for the whole real numbers

I have the followin data ...
0
votes
1answer
2k views

How can I plot a graph of an integral?

I want to plot the following function: $$\int \left(\frac{\Gamma (x+1)}{2}-\frac{\Gamma (x-1)}{2}\right) \, dx$$
6
votes
1answer
530 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
75 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
473 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
115 views

Plot 3D with conditions and variables dependent on each other

I m trying to do something like this: ...
4
votes
4answers
291 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
216 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
333 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
121 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
318 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
102 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
115 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
17 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
281 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
97 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 ...
1
vote
2answers
132 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
1answer
119 views

ContourPlot color problems [closed]

I tried to use contourplot to a 2D fucntion with rescaled color, the code is given below ...
2
votes
1answer
156 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
123 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
83 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
546 views

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

I am trying ...
3
votes
1answer
429 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 ...
3
votes
1answer
192 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
1answer
232 views
1
vote
1answer
113 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 ...
4
votes
1answer
515 views

How do I adjust error bar tick size with ErrorListPlot?

I'm making a plot of data points from an experiment and the error bars are quite small. I would like the vertical error bars to have wider horizontal lines so that they are easier to see. Are there ...
2
votes
2answers
168 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
216 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 ...