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**Content Feed**

Question

How to put a legend automatically in PCA 3D Scatter Plot?

Here is my solution which successfully creates a 3D scatter plot, but I am unable to add legend to it. I will appreciate any he...

8 månader ago | 1 answer | 0

### 1

answerQuestion

How to combine/aggregate multiple Gram matrices to yield a one matrix by doing some desired matrix manipulations?

Let, X = [1, 2, 3, 4; 5, 6, 7, 8; 9, 10, 11, 12; 13, 14, 15, 16; 17, 18, 19, 20;...

mer än 3 år ago | 0 answers | 0

### 0

answersQuestion

How to combine binary classifier's results to output multi-class classification adopting File Exchange example in Libsvm's precomputed svmtrain?

In File Exchange example: <https://www.mathworks.com/matlabcentral/fileexchange/39352-multi-class-svm> under %build model headi...

mer än 3 år ago | 0 answers | 0

### 0

answersQuestion

How to use if, else conditional loop on anonymous function handle?

For the following example, given at <https://www.mathworks.com/help/stats/evalclusters.html>: eva = evalclusters(meas, 'kme...

nästan 4 år ago | 1 answer | 0

### 1

answerQuestion

How to show class label of each data point in 3D scatter plot from clustering evaluation result?

How to show by plotting class label of each data point within each cluster obtained by any clustering? Here is an illustratio...

nästan 4 år ago | 1 answer | 0

### 1

answerQuestion

MATLAB's custom distance function example for two matrices.

How does _MATLAB_'s *@distfun* work for two matrices. Suppose: X1 = rand(5); X2 = rand(3); How to compute the KL-Dive...

nästan 4 år ago | 1 answer | 0

### 1

answerQuestion

LIBSVM: MATLAB function "trainsvm" deprecated and replaced by "fitcsvm"

As MATLAB ha depreciated "svmtrain" and replaced it by "fitcsvm", LIBSVM is giving error: % This is an example of using pre...

nästan 4 år ago | 1 answer | 0

### 1

answerQuestion

MATLAB giving error while trying to create a 3D scatter plot: Error using sparse (Index exceeds array bounds)

I was following the MathWorks example: <https://www.mathworks.com/help/stats/tsne.html#bvkcm24-1> which works fine for fisheriri...

nästan 4 år ago | 1 answer | 0

### 1

answerQuestion

How to save a function output to a variable with variable name changing dynamically?

I have two folders in two different paths. These two folders contain *.csv* data files. I want to load these *.csv* data files f...

nästan 4 år ago | 1 answer | 0

### 1

answerHelp with scope issue in Matlab

Hello, Any progress on this code so far? If so, can you share the code?

nästan 4 år ago | 0

Question

How to convert a .csv file of cell array type to double?

I have multiple *.csv* files of type *Cell*. I have attached 3 of these files for illustration and a *data.csv* file of type _do...

nästan 4 år ago | 2 answers | 0

### 2

answersQuestion

Plotting with peaksOutputFcn function in optimization probblem.

Hello Friends, <</matlabcentral/answers/uploaded_files/58699/surfacePlot.png>> I tried peaksOutputFcn.m file which calls p...

mer än 5 år ago | 0 answers | 0

### 0

answersQuestion

How to make output of a function available to script without function call?

Hello Friends, I have the following function in *myFun.m* file: function f1 = myFun1(X,Y) [f1,f2] = myFun2(X,Y); ...

mer än 5 år ago | 2 answers | 0

### 2

answersQuestion

How to insert a saved .png figure into a subplot which is being created in a for loop?

Hello Friends, I have the following code for k = 1:2 subplot(1,3,k) plot(randi(10,k)); end I want to insert...

mer än 5 år ago | 2 answers | 0

### 2

answersQuestion

Convert for loop to vector multiplication.

Hello Friends, I have the following: A = [1 2 3; 4 5 6; 7 8 9]; B = [10 11 12; 13 14 15];...

nästan 6 år ago | 1 answer | 0

### 1

answerQuestion

Manipulation of matrix addition and multiplication.

Hello Friends, I have the following: A = [1 2 3; 4 5 6; 7 8 9]; B = [10 11 12; 13 14 15]; [N1, D1] = size(A);...

nästan 6 år ago | 1 answer | 0

### 1

answerQuestion

Rewriting a vector addition and multiplication.

Hello Friends, I have the following: A = [1 2 3; 4 5 6; 7 8 9]; B = [10 11 12; 13 14 15]; [N1, D1] = size...

nästan 6 år ago | 2 answers | 0

### 2

answersQuestion

Distance and clustering.

In k-means clustering code which uses Euclidean distance. I want to replace Euclidean distance by Mahalanobis distance.

nästan 6 år ago | 1 answer | 0

### 1

answerQuestion

How to optimize k*x <= epsilon?

Hello Friends, I want to optimize, i.e., find the optimal value of *k* in the following problem: max k*x <= epsilon H...

nästan 6 år ago | 1 answer | 0

### 1

answerQuestion

How to edit MATLAB file kmeans.m?

Hello Friends, I want to edit kmeans.m but it does not allow me to make any changes. I tried *'fileattrib'* to make it writab...

nästan 6 år ago | 1 answer | 0

### 1

answerQuestion

fwrite to fread changes data completely!

Hello Friends, I have a Vector or some length, say, *1 x N* with real number entries. I want to save this vector by usin...

nästan 6 år ago | 1 answer | 0

### 1

answerQuestion

How to declare global variables in a script file which are accessible to a function file?

Hello Friends, I have a script file and a function file. My script file have a parameter which I want to be accessible to the...

nästan 6 år ago | 1 answer | 0

### 1

answerQuestion

How to declare multiple global variables?

Hello Friends, I have multiple variables in my script file, say, *var1, var2, var3*. I want to declare them global variable. ...

nästan 6 år ago | 2 answers | 1

### 2

answersQuestion

How to convert a matrix of cell to type double.

Hello Friends, I have a cell matrix *X* of size *NxD* as follows: X = [5.1000] [3.5000] [1.4000] [0.2000] 's...

nästan 6 år ago | 1 answer | 0

### 1

answerQuestion

How to extract labeled rows of a matrix?

Hello Friends, I have a matrix *X* of size *NxD*, where the *Dth* column is labeled. For example: X = [1, 2, 3, Sunday ...

nästan 6 år ago | 3 answers | 0

### 3

answersQuestion

How to compare each content of string which is of type double (matrix) in if loop recursively?

Hello Friends, I have the following code: P = [1 , 0, 2]; AB = [1, 2, 3]; CD = [4, 5, 6]; EF = [7, 8, 9]; ...

ungefär 6 år ago | 2 answers | 0

### 2

answersQuestion

MATLAB cannot call or index into a temporary array in for loop

Hello Friends, Here is my code: M = {'a', 'b', 'c'}; for i = length(M) M(i) = M(i)(M(i)~=0); end In...

ungefär 6 år ago | 2 answers | 0

### 2

answersQuestion

Indexing in for loop in order to remove non-zero and nan entries from vectors

Hello Friends, I have the following code: P = [1, 0, 3]; Q = [0, 4, 5]; % These AB, CD, EF are just for illu...

ungefär 6 år ago | 1 answer | 0

### 1

answerQuestion

for loop indexing in temporary arrary problem in MATLAB.

Hello Friends, I have the following code: P = [1, 0, 3]; Q = [0, 4, 5]; AB = [P + Q]; % A vector CD = [P -...

ungefär 6 år ago | 2 answers | 0

### 2

answersQuestion

How to get each pair of of row of a matrix to pass into a function?

Hello Friends, I have a matrix A of size N x M. I want to get all possible pair of rows, pass them into a function, and get t...

mer än 6 år ago | 2 answers | 0