Answered
Is there an clustering algorithm with which I can declare expected centroid in advance?
The <https://it.mathworks.com/help/stats/kmeans.html k-means clustering> is what you need. You can start the algorithm by select...

mer än 7 år ago | 0

Answered
Creatig a matrix from variables in workspace
How did you get these variables? It is not good practice to handle workspace variables after their definition. Better saving...

mer än 7 år ago | 1

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how to save values in variable from loop
Save vector |a| before printing: a = 1:10; for k=a fprintf('%d\n',k); end a Outputs: 1 2 .... ...

mer än 7 år ago | 0

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how can i solve this equation on matlab?
<https://it.mathworks.com/help/matlab/ref/ode45.html>

mer än 7 år ago | 0

Answered
Legend horizontal orientation doesn't work when extracting icon handles
As far as I know the syntax |[lgd,icons,plots,txt] = legend(..)| is not reccomended. Notice in fact that by simply calling |icon...

mer än 7 år ago | 2

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Answered
How to make a road lane for a synthetic image in gray scale?
Here it is: %create one element Z = zeros(100,101); %lateral lanes Z(:,[11:15,87:91]) = 1; %mid lane (dashed) ...

mer än 7 år ago | 1

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Answered
Finding real roots of a cubic equation
To force the |vpasolve| finding only real solutions you cannot use |assume|. If you know the real solution is only one a workaro...

mer än 7 år ago | 0

Answered
How do I remove/replace border pixels from my image?
You basically don't need your |interior_blackPixels|. Indeed, your expected image is obtained by simply setting |outer_blackPixe...

mer än 7 år ago | 0

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Answered
Custom Dendrogram Ordering Implementation
Apparently, none of the available functionalities of |optimalleaforder| does the work. So here it is a function that runs throug...

mer än 7 år ago | 0

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Answered
Find the x value from a specific iteration of fmincon
From the help page about Output Functions <https://it.mathworks.com/help/matlab/math/output-functions.html Output Functions> you...

mer än 7 år ago | 0

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Answered
Setting Viewpoint with Azimuth, Elevation, and distance
Hi Viet, in order to control visualization in the current axes, consider these parameters also: CameraPosition CameraPos...

mer än 7 år ago | 1

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Answered
How to plot a function file
Given a vector |y| of dice outcomes, plot the stairwise graph like this: y = [0,3,5,9,2]; X = [0,repelem(1:length(y)-1,2...

mer än 7 år ago | 0

Answered
Boundary function fails, R2016b
Hi Jukka, if you look at the plot of the boundary without superimposing it to the circles you can see (see first image below) th...

mer än 7 år ago | 1

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Answered
FFT Convolution on Wav File
Is your audio file |x| (loaded with |[x Fs]=audioread('drums.wav');| ) stereo? Because in this case the line X = fft( [x ; ...

mer än 7 år ago | 0

Answered
obtain cluster label on data
If you applied |kmeans| function like this: idx = kmeans(X,k) then |idx| is the vector containing the labels.

mer än 7 år ago | 0

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Answered
K-means: see the initial centroids
Yes it is possible. |kmeans| allows you to set option parameters via the |statset| function. In the help page <https://it.m...

mer än 7 år ago | 1

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Answered
Problem Fitting data to 3 Gaussians
More efficient using built-in code to fit Guassian distributions. Try look at this function which allows you to choose the numbe...

mer än 7 år ago | 0

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How do I put minor ticklabel on and ticklabel off ?
One solution can be to set y-limits to larger values, and then force the labels to be the original ones. This way, the labels wi...

mer än 7 år ago | 0

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How to map the values from 0-320 to 0-29
Just multiply your values by 29/320; k = 29/320; %generate some random numbers between 0 and 320 x = 320*rand(5); ...

mer än 7 år ago | 0

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Normal Distribution Probability Finder
pp = makedist('Normal','mu',0,'sigma',1); yourP = 1-cdf(pp,-2.125)

mer än 7 år ago | 4

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Answered
Matrix multiplication with logical values error
For logical matrices matrix multiplication doesn't apply (because it is not logical operation). To get your Dyadic product, cas...

mer än 7 år ago | 0

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Answered
How do i fill a matrix from smaller matrices?
It seems from you code that your blocks are stored in a cell array of size 32x32 called |dcts|. If it is so, and each block is 8...

mer än 7 år ago | 0

Answered
Is it possible getting x coördinates from an accelerometer measurement?
It seems you need to threshold the values of XYZ (that I think is a vector). Fore example, fix a thereshold to T=1 (or some that...

mer än 7 år ago | 0

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Answered
How to remove the horizontal streamline when plotting contour using atan2? Streamline plotting help
Why they shouldn't be there? They SHOULD be there. This is the plot of the atan2 function: <</matlabcentral/answers/uploaded_...

mer än 7 år ago | 0

Answered
How do I create bin widths using a simple algebra function?
*IMPORTANT: there is no need to use find!!!* *EXPLOIT MATLAB LOGICAL INDEXING* To replace "time<5" with "5<time<10" just u...

mer än 7 år ago | 1

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Answered
How to transpose a block matrix
Use cells, transpose them. C={[1,1;1,1],[2,2;2,2];[3,3;3,3],[5,5;5,5]}; D=C'; %to get matrices out of cells cell2m...

mer än 7 år ago | 0

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Answered
how to change cursor to hour glass
For hour glass see this post: <https://it.mathworks.com/matlabcentral/newsreader/view_thread/32972> Otherwise, consider al...

mer än 7 år ago | 0

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Answered
Playing sound one after another, according to number inputed
Just compute the time T (secs) the file lasts by using sample rate information and number of samples. Then, pause the for loop f...

mer än 7 år ago | 1

Answered
Determinant and inverse of a 3 X 3 matrix Issue
You are getting this error because in your function invanddet3by3(A) there is NO CALL to function invanddet2by2sol(...

mer än 7 år ago | 0

Answered
How to differentiate one list with respect to another?
Explain better what do you mean by "differentiate one list w.r.t. one another". If for a=[1,2,3,4,5] b=[10,11,12,13,...

mer än 7 år ago | 0