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Recent questions tagged matlab
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matlab - getsnapshot speedup
the getsnapshot function takes a lot of time executing since (I guess) initializes the webcam every time is ... (without preview window opened) See Question&Answers more detail:os...
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matlab - How to change image axis labels
I'm trying to change the image axis labels with some latitude/longitude but I can't find how to do it. I ... . It should be looked like this: See Question&Answers more detail:os...
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Oct 24, 2021
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matlab and c differ with cos function
I have a program implemented in matlab and the same program in c, and the results differ. I am bit puzzled that ... ), see if that goes faster. See Question&Answers more detail:os...
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Oct 24, 2021
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matlab - Find the corners of a polygon represented by a region mask
BW = poly2mask(x, y, m, n) computes a binary region of interest (ROI) mask, BW, from an ROI polygon, ... a "corner" at a real corner? See Question&Answers more detail:os...
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Oct 24, 2021
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730
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matlab - 3D histogram with gnuplot or octave
I would like to draw a 3D histogram (with gnuplot or octave) in order to represent my data. lets say that I have ... height. How can I do this? See Question&Answers more detail:os...
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Oct 24, 2021
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537
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matlab - How can I (efficiently) compute a moving average of a vector?
I've got a vector and I want to calculate the moving average of it (using a window of width 5). For instance, if ... 25,30]. How can I do that? See Question&Answers more detail:os...
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Oct 24, 2021
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matlab - Difference between fzero and fsolve for one variable
Is there a difference between using fzero and fsolve for a single variable equation? See Question&Answers more detail:os...
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Oct 24, 2021
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710
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matlab - Remove only axis lines without affecting ticks and tick labels
Is there a way to remove only the axis lines in the Matlab figure, without affecting ticks and tick labels. I ... and tick labels. Any tricks? See Question&Answers more detail:os...
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Oct 24, 2021
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608
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matlab - What does selecting the largest eigenvalues and eigenvectors in the covariance matrix mean in data analysis?
Suppose there is a matrix B, where its size is a 500*1000 double(Here, 500 represents the number of ... in matrix Aq represent now? See Question&Answers more detail:os...
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Oct 24, 2021
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matlab - Drawing a network of nodes in circular formation with links between nodes
I would like to draw a circular graph of nodes where certain nodes have a link between them. Here are ... without installing a separate package? See Question&Answers more detail:os...
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Oct 24, 2021
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532
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matlab command (from bash / command line) on an already running session
$ matlab -nodesktop -nojvm & How would I execute matlab commands on the session that was just created? In other ... to create a new session. See Question&Answers more detail:os...
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Oct 24, 2021
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matlab - Add custom legend without any relation to the graph
I wish to insert a legend that is not related to the graph whatsoever: figure; hold on; plot(0,0,'or'); ... ; %% ADD THE LEGEND OF PLOT ABOVE See Question&Answers more detail:os...
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Oct 24, 2021
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625
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matlab - Multi-Class SVM( one versus all)
I know that LIBSVM only allows one-vs-one classification when it comes to multi-class SVM. However, I would like to ... sure. I need some help. See Question&Answers more detail:os...
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Oct 24, 2021
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matlab
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matlab - legend for group of lines
I like to plot two groups of lines in the same plot. Each group has two lines with same color and I have to ... "hold on" but applied to legend. See Question&Answers more detail:os...
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Oct 24, 2021
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593
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matlab - Python/PIL affine transformation
This is a basic transform question in PIL. I've tried at least a couple of times in the past few years to ... -0.5*mny and obtained this: See Question&Answers more detail:os...
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Oct 24, 2021
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matlab - Labeling points in order in a plot
I have two vectors representing the location of points (x,y) that I'd like to plot. I know how to plot ... represent their order in the vector. See Question&Answers more detail:os...
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Oct 24, 2021
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matlab
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matlab - Parfor for Python
I am looking for a definitive answer to MATLAB's parfor for Python (Scipy, Numpy). Is there a solution similar to parfor? If ... (n,1)))[0][0,0] See Question&Answers more detail:os...
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Oct 24, 2021
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matlab - @folder and +folder
What is the meaning of the following folder names in MATLAB? @folder +folder I've created a class Tata.m which ... the +folder should be used. See Question&Answers more detail:os...
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Oct 24, 2021
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matlab - Matrix with symbolic math gives a symbolic answer, not a numeric one
Consider the following matrix Ja(t1, t2, t3, t4, t5, t6) = [ (sin(t5)*(cos(t3)*cos(t4)*(cos( ... /125)*(cos(528276371951843/1125899906842624)*sin(63/100) - sin(528276371951843/112...
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Oct 17, 2021
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71.8m
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matlab
0
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521
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answer
matlab - Segment the image into blocks
Let us consider an image Y of size 512x512. The code below serves to segment the image Y into blocks where ... time. Best Regards, Christina. See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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matlab
0
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805
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1
answer
matlab - Find local maximum value in the vector
Somebody could help me. I use Matlab program. Suppose, I have vector A, A = [0 0 1 2 3 5 0 0 0 0 0 2 ... 6, 15 and 24; thank you for your kind. See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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matlab
0
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881
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matlab - 3D scatter plot with 4D data
I need to plot a 3D figure with each data point colored with the value of a 4th variable using a ... highly appreciated. Thanks in advance! See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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matlab
0
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531
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1
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matlab - How do I resolve this issue with 3D image visualization?
I have this 3D image data that I need to visualize. I have been able to visualize it with 2D slices using ... what I am doing wrong here. See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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matlab
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matlab - Multiple colors in the same line
I would like to plot a sine curve in Matlab. But I want it blue for the positive values and red for the negative ... set(p, 'Color', 'red') See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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matlab
0
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684
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1
answer
matlab - transfer function in time domain
I have two signals in time domain (X and Y). I am trying to calculate the transfer function between them. I ... what is going on? Thanks. See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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matlab
0
votes
571
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1
answer
matlab - About floating point precision: why the iteration numbers are not equal?
There are two similar matlab programs, one iterates 10 times while another iterates 11 times. One: i = 0; x ... add operation and the multiple. See Question&Answers more detail:os...
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Oct 17, 2021
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539
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matlab - Vectorizing the creation of a matrix of successive powers
Let x=1:100 and N=1:10. I would like to create a matrix x^N so that the ith column contains the ... way to do this using vectorized code? See Question&Answers more detail:os...
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Oct 17, 2021
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71.8m
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matlab
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467
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matlab - How solve a system of ordinary differntial equation with time-dependent parameters
How solve a system of ordinary differential equation ..an initial value problem ....with parameters dependent on time ... please help me out? See Question&Answers more detail:os...
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Oct 17, 2021
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Technique[技术]
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71.8m
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