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

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3
votes
2answers
79 views

How to draw a family of planes and its envelope?

Motivated by a question in MSE, I have the following question: How can I visualize the envelope of the family of planes $$ 2ax+2by-z+a^2+b^2=0, a,b\in\Bbb{R} $$ which is given by the ...
0
votes
1answer
43 views

axis label text rotation

I've got the following script: ...
1
vote
0answers
42 views

How to set the Y coordinates for a Graph with defined X coordinates to prevent overlap of nodes?

I would like to draw a Graph with defined x coordinates and variable node sizes. If I simply replace the x coordinates of a graph, then nodes can overlap and edges may cross each other. I would ...
0
votes
1answer
81 views

Including error bars on graph in Mathematica [duplicate]

Mathematica ListPlot function allows me to plot the above data with omega on the x-axis and CD on the y-axis 1) How do I incorporate the error bars in my data on the graph? 2) Are there any ...
0
votes
1answer
50 views

Positioning a subplot using Inset in the main plot with image or scaled coordinates

I have generated a plot and subplot fine, and I would like to position it in the top right corner of the main plot. Ordinarily I would use the position options. However, my notebook is used for ...
1
vote
2answers
60 views
3
votes
1answer
63 views

Customizing output of Spectrogram[], units of Periodogram[]?

I am analyzing spectrum of recorded sound. For that purpose I am using Mathematica's built in functions Spectrogram[] and Periodogram[]. I have three questions regarding those: What is the way to ...
0
votes
2answers
99 views

Does not Show as combined plot

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1
vote
1answer
52 views

how can I change the length/size ticks in a framed plot?

Err...Let me make clear the meaning of "the length of coordinate notation/marker". suppose I have frame1 by ...
0
votes
2answers
67 views

How can I make a 3D Plot with NDSolve?

I have a system of coupled ODEs which I am solving using Mathematica. I am solving these using NDSolve: ...
8
votes
1answer
232 views

Hexagonal Mesh on a 3D surface

I am new to Mathematica, and I am trying to create a 3D hexagonal mesh on a 3D surface. It is very similar to what was done in this post Create a torus with a hexagonal mesh for 3D-printing, but now ...
1
vote
1answer
64 views

How to draw dots at beginning and end of range when plotting [duplicate]

I'm trying to plot a Piecewise function which should look like this: How can I have similiar dots (filled or empty) at beginning and end of range? ...
0
votes
0answers
18 views

Graphing rational functions showing asymptotes and holes [duplicate]

Is it possible in Mathematica to input a rational function and produce an output of a graph of the function showing asymptotes and holes?
0
votes
1answer
54 views

Plot financial data: timestamp + value

I have approximately 250,000 rows of data that looks like: ...
6
votes
2answers
270 views

Click in a vector plot to plot several solutions of a system of differential equations

I am aware of the Locator button and I am aware of the Equation Trekker package, but they are not what I want to use. Here is what I specifically want to know how to do, if possible. Consider the ...
1
vote
1answer
76 views

How to plot multiple yearly data in one graph

There is a dataset: for each year a single data for 6 seas. I would like to have a graph to visualize paralel changes. This is what I attempted to reproduce ...
0
votes
1answer
54 views

Range errors when plotting solutions of systems of equations

I would like to plot the points $(a,b,c)$ that simultaneously satisfy the equations $$a^2+b^2=1,\qquad ac+b\frac{1+bc}{a}=0,\qquad c^2+\frac{(1+bc)^2}{a^2}=1.$$ I attempted to do this with ...
0
votes
1answer
44 views

Adding a plot to a DynamicModule

How can I add a Plot or Plot3D to my DynamicModule (on the same panel) without having a negative impact on the original function? I tried different (for me) logical ways to add the Plot function, but ...
3
votes
1answer
123 views

How to solve Laplace equation in 3D?

Basically I want to solve Laplace equation for truncated octahedron in a cube matrix. The boundary condition is Concentration u=200 at surface of truncated octahedron and u=15 at boundary of cube. I ...
3
votes
1answer
70 views

Straightforward way to make a multicolumn line legend?

I have a plot showing 8 curves, and I'm able to define a line legend styled in either a column or a row version. I have the following code: ...
-2
votes
1answer
50 views

plot sum of two function

I am trying to illustrate sum of functions. I have one function x*x - 8*x + 7 and another Log[2*x + 4.5] I understand that I ...
5
votes
3answers
166 views

mixing color of individual parts of a function in DensityPlot

I have a function which is a sum of three terms and I want to plot it in a DensityPlot. However, I would like that the ColorFunction would be the RGBColor resulting of the mixed R color corresponding ...
4
votes
2answers
86 views

Paired Bar Chart with negative values

Dear Mathematica group I want to plot negative values using PairedBarChart in V9 However, with this code ...
0
votes
1answer
62 views

3D Plot for Attractive and Repuslive Field Functions [closed]

I am using Mathematica to plot the total potentials (which is the sum of an attractive potential field and a repulsive potential field) - This is related the Artificial Potential Field Method in ...
3
votes
2answers
141 views

How to put triangle graphics on a plot of two seperate related lists?

For 7 different discharge energies, I have two gases (1. pure helium, 2. a helium oxygen mixture) being heated up. Those 14 settings then enter a tube, in which the system cools off. In the list ...
0
votes
2answers
72 views

Finding the equation of tangent lines where a function has a specified slope [closed]

A function is defined as f[x_] := 3x^4 + 8x^3 - 24x^2 - 48x + 19 I need to find the equation of the tangent lines at the points where the tangent line has a ...
0
votes
1answer
46 views

Drawing a pair of lines to the x-axis and y-axis from a point along a curve

I have some plot like the following: Plot[Cos[x], {x, -10, 10}, AxesLabel -> {Style["x-axis", 12], Style["y-axis", 12]}, ImageSize -> {650, 650}] I'd like ...
0
votes
1answer
45 views

How can I modify text in a Graphics produced by Plot?

I have a Plot in a cell of a Mathematica notebook. The Plot was made with data that I no longer have. I want to modify the label of one of the axes, without running the plot command again (since I ...
6
votes
4answers
458 views

Combining 2D slices into a 3D plot

I am currently trying to combine several 2D plots into one big 3D plot. The 2D-plots are simply input-results from calculations (so these things have 2D coördinates (x,y)). The results depend on an ...
1
vote
1answer
30 views

ListAnimate for nested lists with two sliders

I have a very complicated function of three variables (a,b,c). Now I want to plot the function value as a function of a while ...
2
votes
2answers
133 views

How to use ContourPlot3D with a constraint

I want to draw $$G=G(P,T)=-k*T(1+\log{\frac{(V-1)T^{3/2}}{\Phi}})-\frac{a}{V}+P*V$$ but $V$ is an implicit function of $P$ and $T$, which is $(P+\frac{a}{V^2})(V-b)=k*T$ I tried to solve for $V$ ...
4
votes
5answers
176 views

PlotLegends for ListPlot with more than 15 curves?

I'm running into trouble getting the right PlotMarkers in the legend of a ListPlot of many curves. Simple example: ...
0
votes
0answers
27 views

Options from Graphics command [duplicate]

What do it mean $[[1]]$ in the following command? Graphics[...][[1]] How about the following command? ...
1
vote
1answer
42 views

How to rescale the axes on a 3D graph?

I currently have a graph in which the x and y axes take values on the order of 10^-4. Which looks messy, ...
0
votes
1answer
48 views

Solving coupled ODEs with NDSolve

Given the system of differential equations: $i\frac{d}{dt}c_{1}(t)=H_{12} E(t)e^{(iw_{12}t)}c_2(t)+H_{13} E(t)e^{(iw_{13}t)}c_3(t)$, $i\frac{d}{dt}c_{2}(t)=H_{21} E(t)e^{(iw_{21}t)}c_2(t)+H_{13} ...
5
votes
5answers
296 views

How do I plot the derivative of a function with absolute values?

Plot[D[Abs[x], x], {x, -10, 10}, Exclusions -> {0}] gives out several lines of error messages and an empty plot. ...
4
votes
5answers
231 views

Getting a 2D slice out of a 3D ParametricPlot [closed]

I have generated a 3D plot of a surface using the ParametricPlot3D command. Considering the three axes of the 3D plot to be x, ...
0
votes
2answers
123 views

Want to put additional items in my plot legend

I was able to plot most of the parts of the figure. But I have a problem with some legend items. Here is my code: ...
5
votes
2answers
76 views

Initial time as parameter in ParametricNDSolve

I need a help with the function ParametricNDSolve. My goal is solve the equation \begin{array} &&\dot{x}(t) = y(t) \\ &\dot{y}(t) = x(t)-1-\varepsilon Cos(\omega t) \\ &x(t_0) = x_0\\ ...
1
vote
0answers
48 views

Controlling the size of a Plot, ListPlot when using Grid view [duplicate]

Is there any way to control the size of output graphics when using simple Grid command? Here is an example code: ...
0
votes
1answer
91 views

How to solve and plot this 2nd order non linear ODE? [closed]

Is this the correct way to plot the solution of this ODE from $(-8, 8)$? $$y'' - (1 - (y')^2)y' + y = 0$$ ...
0
votes
1answer
56 views

Interpolating a non-continuous set of points

I'm trying to create a pure function that I can feed into OutputResponse[ ] as the input u[t]. In order to do this, I've written code to create a square wave pulse train in the form of a collection of ...
0
votes
1answer
91 views

several plots at once

I have several files what i would like to plot at once, they are .dat files and they have names as a numerical sequence from 1 to 4 (they are about a hundred but for the example 4 are ok) so i use ...
1
vote
1answer
59 views

Combine 3D plots into one with Manipulate and different region plots

The following script generates two plots in a row, both of them controlled by Manipulate. I would like to combine them together in one. The problem I don't know how to solve is that the plotting ...
1
vote
1answer
51 views

Contourplot gives inaccurate ellipses

I'm trying to draw a family of ellipses with pre-defined foci as follows: ...
2
votes
3answers
134 views

Graphical output sizes [duplicate]

Is there any way to control the size of output graphics when using simple Grid command? Here is an example code: ...
-4
votes
1answer
55 views

Jump phenomena for primary resonance of the Duffing equation [closed]

In this equation I will write omega (Ω) instead of amplitude (a). ...
0
votes
0answers
70 views

Periodograms and power spectra of a simple harmonic oscillator

This a just a trivial case of a simplified differential equation that I am using. I am not too happy with the Periodogram command. Let's say that I have the ...
0
votes
1answer
35 views

Inset raster graphic position and size

I need to rasterize a very complicate plot and superimpose this to another plot. For example ...