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
193 views

Image Size using {w,h}

Mathematica help file says: "With ImageSize->{w,h} an object will always be drawn in a $w\times h$ region, and will be sized to fit in the region. " However: Doesn't look like "and will be sized ...
0
votes
1answer
169 views

Plot Legends when first argument was generated by Table[]

I can get a plot to generate legends for different functions when these functions are put into a hand-coded list. However, when I generate the list of functions using Table[] only one legend is ...
15
votes
4answers
850 views

Exclude data from a list

Let's create some random sample data data = Table[{RandomReal[{-10, 10}], RandomReal[{-10, 10}]}, {i, 1, 300}]; Then we plot them using ...
2
votes
1answer
540 views

Draw a region bound by a sphere and a cylinder

Here is my code for drawing the region bounded by the sphere $x^2+y^2+z^2=1$ and the cylinder $x^2+y^2=x$. ...
2
votes
1answer
134 views

How to plot $\frac{x^{-2/3} e^ { \left(-\frac{x^{2/3}}{2}\right)}}{\sqrt{2 \pi 9}}$ for negative real numbers?

While trying to $\text{Plot}\left[\frac{x^{-2/3} e^ { \left(-\frac{x^{2/3}}{2}\right)}}{\sqrt{2 \pi 9}},\{x,-5,5\}\right]$ in mathematica, I was initially wondered (though mathematica's silence was ...
2
votes
1answer
56 views

Manipulate Plot with Controller being difference of two variables

I'm not sure if this is possible at all or whether manipulate is the best option to plot this, but currently I'm using the following code to plot Function Func vs. t values for different x values. ...
2
votes
0answers
52 views

ListPlot with conditions Part II

In a previous post Part I @Julian S proposed an interesting method in order to segment the data. A copy of the data file can be found here: data. I know that I should provide a minimal working example ...
2
votes
2answers
378 views

ParametricPlot3D line not smooth

Multivariate parameters appear to present a jagged appearance of integrands (using default Runge-Kutta ODE integration intervals?) in ParametricPlot3D plotting on a single argument. Higher Mesh.. ...
3
votes
2answers
191 views

RegionFunction generalized to plot a different colour/style for the largest expression [duplicate]

I have several functions of two variables defined in some region, say functions[x_,y_]:={0,x-y,Sin[x^2-y]} I'd like a plot to show at a glance the regions where ...
2
votes
3answers
762 views

draw part of parabola using graphics

today I was doing my physics homework. one of the questions was draw velocity-time and position-time graphs from the acceleration-time graph. So for the first step I draw acceleration-time using ...
3
votes
1answer
97 views

Graphs Plotting Discontinuous

I'm trying to plot a graph from the eigenvalues of a matrix I created. The graph shows with discontinuities in it and I was looking for some feedback. Here's the code: ...
2
votes
2answers
258 views

ParametricNDSolve and plotting problem

I have a problem with ParametricNDSolve: ...
3
votes
2answers
206 views

Adding walls to a region plot

I've done this code: Plot3D[x + y + 1, {x, 0, 1}, {y, 0, 1}, RegionFunction -> Function[{x, y, z}, 0 <= y <= Sqrt[x]]] Producing this image: In ...
4
votes
2answers
246 views

How can I use legend in ContourPlot3D and add arrowheads for axis?

I am using ContourPlot3D to show two surfaces. This is my code. Now I want to use Legend to distinguish the two surfaces, and add arrowhead for the three axis. ...
0
votes
1answer
50 views

Plot command uses same colors when applying pattern on list [duplicate]

When I do Plot[{fun1,fun2} ./ val1->1,{t,0,10}] then both plots are in the same color! If I use instead ...
1
vote
0answers
69 views

Would you give me some advice on Elliott's equation? [closed]

I'm trying to solve below equation on mathematica for plotting, but I'm a complete beginner. ...
15
votes
3answers
327 views

Glitch in Filling?

Bug introduced in 8.0 and persisting through 10.4 or later I ran into a problem while plotting and I was able to narrow it to this. Before I start "spelunking" I'd like to know if I am overlooking ...
1
vote
0answers
128 views

Symbolic and numeric calculations (and plots) simultanuosly [closed]

I use Mathematica to do a bunch of symbolic calculations (integrals, ...). This is good because I found that sometimes, if I plug in numeric values, Mathematica takes much longer. However, sometimes ...
6
votes
3answers
621 views

FontSize problematic when used in LabelStyle

Bug introduced in 9.0.0 and persisting through 10.0.2 or later Consider the following few examples, each producing a trivial graphic object: ...
3
votes
2answers
226 views

Plotting 3D arrows on a surface

I have a cone: ...
0
votes
0answers
102 views

Using Animate with ListPointPlot3D on more than one list

I have a couple orbits defined which have been mapped into one array as shown: ...
0
votes
1answer
128 views

Empty plot when calling the SphericalHarmonicY function in Plot or SphericalPlot3D [duplicate]

I'm getting an empty plot for the following code: SphericalPlot3D[ 2*Pi*Sin[theta]*SphericalHarmonicY[100, 50, theta, phi], {theta, 0, 2*Pi}, {phi, 0 , Pi}] ...
5
votes
1answer
229 views

Why does the replace all (/.) evaluate differently in plot

I'm plotting this function: Plot[(2 (l/2 π)^2 ((2 π f)/c)^2 /. {f -> (f 10^9), l -> .01, c -> 3 10^8}), {f, 17.5, 26.5}] but it does not plot ...
2
votes
1answer
91 views

Why doesn't Directive work with some settings (e.g. Arrowheads) for VectorStyle?

In Mathematica 10 on two different Windows machines, VectorPlot[{1, 1}, {x, -1, 1}, {y, -1, 1}, VectorStyle -> "Segment"] works just fine, but ...
1
vote
1answer
245 views

Why ContourPlot3D plot is in yxz system?

I was trying to explain to someone projection of points in space. I used ContourPlot3D and plotted the planes x=1, y=1 and z=1 to show that the point (1,1,1) is the point where these three planes ...
5
votes
2answers
216 views

Flipping y-tick labes or x-tick labels simply

As it is common to most of us, when we plot a figure, x label ticks are located above x-axis and y label ticks are located at the right of y-axis. Is there any simple way to alter this in ...
2
votes
1answer
134 views

Test whether point belongs to the region between contour lines in ListContourPlot

A simple question but, unfortunately, I could not find the answer. Suppose I have a ListContourPlot built from some data set, e.g., ...
0
votes
2answers
1k views

How to label a GraphicsGrid? [duplicate]

I am constructing a GraphicsGrid from a set of plots. Is there an easy way to add an overall label for the whole grid?
1
vote
1answer
121 views

Solve for values which produce negative real Eigenvalues?

Given an n x n matrix "A", with one or more unknown parameters, I'd like to show a plot of which values produce stability (negative Eigenvalues). For example, say you have a simple mass-spring-damper ...
1
vote
1answer
160 views

Changing the width of BarLegend with Contour argument

Bug exists in 10.0.2 Is it possible to change the aspect ratio of the BarLegend in Mathematica? The option LegendMarkerSize, ...
0
votes
1answer
261 views

Equation of line from loglog plot

Given some data that looks linear on a ListLogLogPlot, how can I find the correct equation (and particularly, the correct slope of the line)? I have a sample code here ...
4
votes
2answers
247 views

Show cannot combine two graphics

First we load the data file data = ReadList["data_smp.out", Number, RecordLists -> True]; I know that I should provide some sample data but in this case the ...
2
votes
1answer
147 views

How to save and manipulate an already plotted graphic

I have a figure which took some hours to create in Mathematica. I assigned it to a variable myplot, i.e., myplot = Plot[..]. Now ...
5
votes
1answer
517 views
2
votes
1answer
74 views

Plotting Multiple Solve Functions

My goal is to plot the functions returned from Solve but assigning each solution to a different function. Here is an example where I do it by hand ...
6
votes
3answers
384 views

How can i construct a 3D surface pass through a curve defined by formula and some other controllable points?

For example, If a have a curve defined by x^2+y^2=1 and z=0, and some isolated points having z coordinates, Can I construct a 3D surface passed through? It's better if I can change the surface shape ...
1
vote
2answers
556 views

How can I plot a 3-variables function to identify the neutral surface and a region

I wanted to plot a 3-D solid region, in which my function f(x,y,z)= x (1/(1 + 0.06))^3 + y (1/(1 + 0.06))^2 + (2 z^2)/15 (Sin[10 Degree])^2 -z/3 Cos[10 Degree] ...
0
votes
0answers
103 views

Unequal behaviour of FindRoot to two similar functions

Unfortunately, I have some difficulties to plot a function. Here is my code: ...
0
votes
3answers
223 views

Simple pattern/texture on chart elements [duplicate]

If I print the following BarChart in black and white, then it is very difficult to tell which bar is "a" and which is "b". ...
7
votes
3answers
292 views

How could I upload a XLS file to Cloud and then plot it?

Bug introduced in 10.0 and fixed in 10.3 or earlier I want to upload a file to the Wolfram Cloud and plot the list: So I use the following code to check its head at the beginning: ...
3
votes
2answers
230 views

Grid lines extending too far

The grid lines in the following plot extend beyond the data and, in particular, into the numbers along the axis. ...
2
votes
2answers
560 views

Using RegionPlot3D to make a cone under restrictions

I have to plot a cone that satisfies this statement: Use the RegionPlot3D command to draw a picture of a cone with its point at the origin. The other end of the cone is a circle with radius 5 ...
15
votes
2answers
937 views

How to wrap a plot around a circle?

Consider the code a = Table[BesselJ[i, x], {i, 0, 3}] Plot[a, {x, 0, 20}, Axes -> False] producing I'd like to transform the plot into a circle. In other ...
10
votes
3answers
868 views

Functional defined Ticks of LogLinearPlot does not work

Bug introduced in 10.0 and persisting through 10.4 or later version 10 $Version "10.0 for Microsoft Windows (64-bit) (June 29, 2014)" Consider three ...
0
votes
0answers
278 views

Empty Graph for Absolute Function

I wanted to plot the following equation: ...
2
votes
2answers
184 views

Changing the Ticks in LogLinearPlot for representation pH values

I need to change the ticks in the xaxis for representation pH values, but the ticks are not dispersed along the range of xaxis. Another question: why the vertical line defined with Epilog is not ...
1
vote
0answers
143 views

Can not understand the code to plot Fourier Series approximation of the line

I'm reading the CDF file from Making Formulas… for Everything in the WolframAlpha blog. I am confused by what's happening with In[9] and In[10]. Can anyone tell me what these two functions mean, or ...
-5
votes
1answer
73 views

Trying to get plots to work AGAIN

OK, I have asked stuff here before. I am probably driving people crazy but this is making me angry and frustrated. And yes, I bet this is some simple syntax thing but I can't figure it out and I am at ...
0
votes
1answer
125 views

Why is `B /. h -> #2 &` not a pure function?

I am trying to plot the energy surface of the mean field Ising model, but I am running into a problem with setting the MeshFunctions for the plot. ...
5
votes
2answers
399 views

How can I create an interactive ColorFunction using Manipulate?

I am trying to specify my own colors and scaling for the ColorFunction in ListDensityPlot. I have several lists of 2D values ...