All Questions
49 questions
1
vote
2
answers
189
views
Help with the visualization of a function
I am trying to make the plot of an specific function through integration from others, but Wolfram-Alpha and Desmos are having problems with it, so I came here to see if someone could help me using ...
5
votes
2
answers
283
views
Blurry shadows of 3D plots and objects
I am using a shadow function, planarShadow, as shared by Prof. Jens Nöckel on Shadows of 3D plots and objects
This function works perfectly while making sharp ...
1
vote
1
answer
89
views
How combine two DensityPlot3D in only one graph
I need to combine two DensityPlot3D in only one graph but the "Show" doesn't work for that.
...
4
votes
1
answer
87
views
Peak Appearances in Plot Outputs from Optimization Routines
Dear fellow researchers and Mathematica enthusiasts,
I've been working on a computational physics problem and encountered an interesting issue regarding the appearance of peaks in my plots, which I ...
1
vote
1
answer
210
views
Professional way to show a plot of a function of three variables
I want to make a Plot of the following function of 3 variables (r1, r2,\[Theta]):
...
0
votes
1
answer
107
views
How to make a density plot for an isotropic function written in cylindrical coordinates?
$f(\rho,z)=2\rho^2+\frac{2}{3}z^2 \quad$ is a function in the cylindrical coordinate system $(\rho,\theta,z)$
The function $f(\rho,z)$ is isotropic because it does not depend on the angle $\theta$. ...
1
vote
1
answer
240
views
Solving Laplace equation
I tried to solve the Laplace equation by two different methods, I made two 3D plots, but they didn't look the same. Is anything wrong? what can I do? I tried to use Fourier series at first and some ...
1
vote
0
answers
89
views
Finding knot vector for Spline fitting
I have the following code from Mathematica:
...
3
votes
1
answer
100
views
How to include sparse points in a ContourPlot if any?
I'm working with the following expressions:
$$\left(\frac{1-\tanh (X)}{\tanh (X)+1}\right)^{-k}=\pm\frac{P_2^{(k,-k)}(\tanh (X))}{P_2^{(-k,k)}(\tanh (X))}$$
where $X\in[0,5]$ and $k\in\left[-\sqrt{\...
2
votes
1
answer
104
views
How to evaluate open intervals in ContourPlot?
I want to ContourPlot an expression over an interval that excludes some points. Since i dont know how to do it I wrote
...
3
votes
2
answers
239
views
Intersection of a line and a circle and distance between them
i'm trying to plot the intersection point between a line and a circle but it's not working. How can I do that using the following command?
...
5
votes
2
answers
565
views
How could I generate random convex polygons of area 1?
How could you random convex polygons where the points of the graph
$A(x_1,y_1) , B(x_2,y_2), ... $
come out, hopefully in rational format (a/b) in such a way that the total area of the polygon is ...
2
votes
1
answer
111
views
How to create a line with a label centered above it?
Can anyone help me create a line with a label shown in the picture below? The line is discontinuous near the middle to accomodate the label. The label is placed on top to avoid the problem when the ...
2
votes
1
answer
202
views
How to align two axes with CombinePlots?
How can I align the lowest point and highest point of these two axes like 0 is aligned with 0 and 3 is aligned with 1.0 on the other axis?
The desired output is something like this (just to show the ...
0
votes
0
answers
33
views
DiscretePlot with a List as argument [duplicate]
Suppose I have some multidimensional function that is computationally very expensive to evaluate. Here, I will just use
...