Wick
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Feeds
Question
Bug in triangulation pointLocation calculations?
I have a snippet of code that is a simplifcation of a problem I've found using the pointLocation feature of MATLAB's triangulati...
mer än 2 år ago | 1 answer | 1
1
answerWhat, if anything, can be done to optimize performance for modern AMD CPU's?
The Accepted Answer by @NedFlanders is the best solution so far. Use that one. But in the comments of that answer, MathWorks s...
nästan 5 år ago | 2
Question
Limitation to Hidden Line Removal?
I'm trying to render small objects and large objects together. I'm using the camera commands to restrict my field of view such t...
mer än 5 år ago | 0 answers | 0
0
answersQuestion
Odd Subplot Behavior - Script interpreter bug?
I've got a script that produces some plots. It's nothing fancy. I haven't included all the variable definitions in the code snip...
mer än 6 år ago | 0 answers | 0
0
answersHow would you make a contour plot of a 3 column matrix?
This plots the original data, the mesh that interpolates that data, and the contours it creates. If you want it to extrapolate o...
mer än 6 år ago | 3
find indices of row subsets
Here you go. At the sizes you suggested, this shouldn't take too long. It has a single 'for' loop that cycles through the unique...
mer än 6 år ago | 0
Using logical indexing to get subset of matrix rows which give desired output from function
I'm using random numbers just to have something to work with. The trouble is 'dot' doesn't like when the matrices aren't the sam...
mer än 6 år ago | 0
How to find elements of two different matrices that meet multiple conditions and store those values in one matrix?
Logical indexing is your friend. I don't know what your conditions are so I'm just going to make a few conditional statements be...
mer än 6 år ago | 0
cannot open vlc from matlab using system command
[status, msg] = system('/usr/bin/vlc test.y4m &') Note the _single quotes_ on either end of the command to be sent to the ...
mer än 6 år ago | 0
How to plot a sphere with lines of latitude (constant phi) for a given center (xo, yo, zo) and radius (R)
clearvars R = 1; xo = 10; yo = 20; zo = 30; num_angles = 3600; latitudes = -80:20:80; % la...
mer än 6 år ago | 0
How do I store result from a loop into matrix?
The first column of S can be indexed S(:,1). The nth is S(:,n); Instead of making 360 different matrices with different names...
mer än 6 år ago | 1
| accepted
How To Plot Data From A Cell Array Containing (x,y) Coordinates?
Niv, I assume you're putting things into a cell array on purpose. That's an unnecessary step since each element is the same shap...
mer än 6 år ago | 0
How to plot volumetric concentration points in a slice meshgrid?
Ok, looks like you've got your volumetric plots going. It's easy from here. First, to display a color scale, the command is ...
mer än 6 år ago | 0
| accepted
Solved
Energy of a photon
*⚛ ☢ ⚛ ☢ ⚛ ☢ ⚛* Given the frequency F of a photon in giga hertz. Find energy E of this...
mer än 6 år ago
Solved
Extra safe primes
Did you know that the number 5 is the first safe prime? A safe prime is a prime number that can be expressed as 2p+1, where p is...
mer än 6 år ago
MATLAB question regarding loop
In general, when inside a loop you can keep track of "something" simply by assigning that value to an element in a vector using ...
mer än 6 år ago | 0
please help to solve this error " In an assignment A(:) = B, the number of elements in A and B must be the same." . code is attached in zip file.
You're trying to assign a [1, 2] vector to a [1, 1] scalar. x_temp(stage) = abs(x_temp1).*y; 'stage' is a single value,...
mer än 6 år ago | 0
| accepted
Combine for loop output??
If you're not trying to be pretty or efficient you can do the following: for draw=1:number_of_lines ...
mer än 6 år ago | 0
| accepted
Cropping xyz data in MATLAB
You're trying to extract the data from the image file? imread will work find for this purpose. It will return an mxnx3 varia...
mer än 6 år ago | 0
| accepted
Help... Getting errors with v_plot and x_plot
Your code was quite difficult to understand without proper formatting and extra '*' spread around. I cleaned up the lines and ra...
mer än 6 år ago | 0
| accepted
Diagonal of a non-squared martrix
MATLAB has a built-in function for the identity matrix, 'eye'. There are two diagonals in a non-square matrix. We'll set both, o...
mer än 6 år ago | 0
How can I compute a contour bounded by the combination of multiple contour lines?
Just saw that you had posted a response that the noise in the small x isn't a concern. Well, I've got an overkill of overkill so...
mer än 6 år ago | 0
| accepted
How can I compute a contour bounded by the combination of multiple contour lines?
The solution is to find a convex hull that encompasses all the points from all the contours. An example using the 'peaks' func...
mer än 6 år ago | 0
X-axis Labeling
I think the problem has to do with the fact that when there are 1000 elements in an array, there are only 999 gaps between those...
mer än 6 år ago | 0
Why am I not getting the correct Phase angle when doing FFT
Without seeing your data I'm guessing you're not measuring the frequency at exactly the frequency the signal was generated at. T...
mer än 6 år ago | 0
Help with updating slice plot in for loop
You just need to draw a new slice with the new V_new. if true [X, Y, Z] = meshgrid([0 x], [0 y], [0 z]); h = slice(X,Y,Z...
mer än 6 år ago | 0
How to plot animation plots?
If you're just looking to animate what the plot is doing like in the video, just include a 'drawnow' command inside a for loop. ...
mer än 6 år ago | 1
3D plot confusion
Assuming you're making the exterior of the ship from mesh or surface commands. Those commands will connect dots and make patches...
mer än 6 år ago | 0
How can I read, in matlab, an image I have on my desktp with the imread () function?
You must put the name of the image in single quotes in the command. If the image is in a path beneath where MATLAB is currently ...
mer än 6 år ago | 0
Good day im trying to plot a graph of the effect of distance of separation between the TX/RX and the receive signal strength, using Friis's free space equation. I am having an issue with the graph when my pr is in db unit.
You're plotting exactly what you're asking for. However, I don't think you're asking what you think you're asking. Your definiti...
mer än 6 år ago | 0
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