hello_world

Last seen: 2年以上前 | 2014 年からアクティブ

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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...

2年以上前 | 1 件の回答 | 0

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質問

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;...

5年以上前 | 0 件の回答 | 0

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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...

5年以上前 | 0 件の回答 | 0

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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...

5年以上前 | 1 件の回答 | 0

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質問

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...

5年以上前 | 1 件の回答 | 0

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質問

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...

5年以上前 | 1 件の回答 | 0

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質問

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...

5年以上前 | 1 件の回答 | 0

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質問

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...

6年弱前 | 1 件の回答 | 0

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質問

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...

6年弱前 | 1 件の回答 | 0

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回答済み
Help with scope issue in Matlab
Hello, Any progress on this code so far? If so, can you share the code?

6年弱前 | 0

質問

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...

6年弱前 | 2 件の回答 | 0

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質問

Plotting with peaksOutputFcn function in optimization probblem.
Hello Friends, <</matlabcentral/answers/uploaded_files/58699/surfacePlot.png>> I tried peaksOutputFcn.m file which calls p...

7年以上前 | 0 件の回答 | 0

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質問

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); ...

7年以上前 | 2 件の回答 | 0

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質問

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...

7年以上前 | 2 件の回答 | 0

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質問

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];...

7年以上前 | 1 件の回答 | 0

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質問

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);...

7年以上前 | 1 件の回答 | 0

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質問

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...

7年以上前 | 2 件の回答 | 0

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質問

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

7年以上前 | 1 件の回答 | 0

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質問

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...

7年以上前 | 1 件の回答 | 0

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質問

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...

7年以上前 | 1 件の回答 | 0

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質問

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...

8年弱前 | 1 件の回答 | 0

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質問

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...

8年弱前 | 1 件の回答 | 0

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質問

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. ...

8年弱前 | 2 件の回答 | 1

2

回答

質問

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...

8年弱前 | 1 件の回答 | 0

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質問

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 ...

8年弱前 | 3 件の回答 | 0

3

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質問

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]; ...

8年弱前 | 2 件の回答 | 0

2

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質問

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...

8年弱前 | 2 件の回答 | 0

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質問

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...

8年弱前 | 1 件の回答 | 0

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質問

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 -...

8年弱前 | 2 件の回答 | 0

2

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質問

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...

8年以上前 | 2 件の回答 | 0

2

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