All Questions
218
questions
0
votes
0
answers
32
views
Horizontal Angle Transmission in Ray Tracing Program - MatLab
I am working on a simulation of underwater sound propagation in MatLab. Currently, the program works in 2D, however, I am trying to transition it into 3D.
Without just copying all 100+ lines of the ...
- 15
0
votes
2
answers
104
views
Plotting far away objects in a 3D plot, Matlab
I have the 3D plot of an orbit around the Earth and the surface plot of the Earth itself. I want to see the Sun in the right spot too, but if I plot the surface plot of the Sun, the plot zooms out too ...
- 51
0
votes
1
answer
631
views
Error plotting spherical harmonics in MATLAB: Grid arrays must have NDGRID structure
I am trying to use the spherical harmonics to represent a perturbation of a spherical object in an acoustic and fluid flow in 3D.
So far, I have been able to use a 2D perturbation on a 3D spherical ...
- 499
1
vote
1
answer
162
views
Merge several 2D plot into one 3D plot in MATLAB
I have three 2D plot that depends on the same x-variable.
picture
and these 3 plots are for different resolutions. the 3rd dimension will be low medium and high.
I want them to plot as in the example. ...
- 37
2
votes
1
answer
218
views
Matlab isosurface plots lose 3d when used with subplot
I'm trying to plot a bunch of isosurface plots together with subplot, and I want them to appear 3d and be rotatable. However, I find that when I combine subplot with isosurface the plots appear 2d and ...
- 3,091
-1
votes
1
answer
70
views
coloring 3D plots on MATLAB
I made two 3D plots on the same axis. now I desire to give them different colors for easy identification. How do I do this coloring? The MATLAB code is shown below.
tic
Nx = 50;
Ny = 50;
x = linspace(...
-1
votes
1
answer
235
views
How can I plot one plane in Surface plot (MATLAB)
This is the figure I have with me now. There are 10 planes, but I want to plot them individually. How can I do that?
- 1
1
vote
0
answers
151
views
How to plot a triangular pyramid in matlab with 4 vertex in matlab
After thousands trials, Im not able to 3d plot a pyramid using 4 vertex using surf.
This is the best approach that I have found in matlab forum, but in my case I need to input those values and not be ...
- 11
1
vote
0
answers
1k
views
MATLAB- Plotting points to 3D vector plot
I currently have this plot:
The goal is to get a plot like this:
I plotted the vectors using
for idx = 1:size(starts,1)
q=quiver3(starts(idx,1), starts(idx,2), starts(idx,3), ends(idx,1), ends(...
- 95
0
votes
1
answer
458
views
Revolution of a 2D polar plot in Matlab
I want to perform a 360° revolution of the following 2D polar plot, around the 0° direction axis:
I do not have an analytical function describing it (e.g. f = R(theta)), but only two discrete arrays: ...
- 69
0
votes
1
answer
225
views
`streamline` not plotting this vector field
I am trying to test streamline with a very simple 3D vector field. I fill in a mesh using 3 for loops (not the best, but this is reminescent of a different expression for "v" which I couldn'...
- 213
-1
votes
1
answer
175
views
Plot any segment of any raw data matrix, with time at the x-axis and the voltage (the actual data) at the y-axis, using plot command
Dimensions of the EEG matrices indicate number of channels by number of sampling points by number of segments, i.e. in the EEG data holding segments of 10s duration, we have 8 channels, 5121 sampling ...
1
vote
1
answer
174
views
Matlab - How to to fill an area in 3D space?
I wanted to fill a region in 3D space using some conditions.
Suppose there is a vector like this:
x1 = 100;
y1 = 102;
z1 = 103;
P1 = [x1, y1, z1];
now I want to indicate the space for all possible ...
- 2,425
0
votes
1
answer
38
views
How to adjust length of a line drawn between two lines?
I have a line that I have drawn between two points
origin = [1 0 2];
point = [1 -2.8 2.8 ];
I want to draw a line between them at a certain distance. I have tried the following, which gives me wrong ...
- 17
0
votes
2
answers
647
views
Volumetric 3D data plotting from 2D map in MATLAB?
I have a heat map
and want to convert this 2D matrix to a 3D volume/shape/surface data points for further processing. Not simply display it in 3D using surf.
What would be a good way to do this?
With ...
- 73