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**Content Feed**

Question

How to find matrix S, given by this equation

I have matrix L and the right-hand side of equation below. How can I get matrix S? All the matrices are square matrix.

29 days ago | 3 answers | 0

### 3

answersQuestion

How to replace minimum values in the vector with 1 and replace others value plus one

I have a vector A A = [2; 1; 4; 1; 3; 3; 1; 1]; In this vector I want to find maximum and put the value to 1 [B,I] = sort(A,'...

2 months ago | 1 answer | 0

### 1

answerQuestion

how to put each element of vector as a label for the plot

I have vector A as A = [69; 70; 74; 77; 118; 103; 104]; I want to put each element of A vector as a label for the plot. Inste...

2 months ago | 1 answer | 0

### 1

answerQuestion

How do I find the X and Y coordinates of image (want to plot this figure)

I have this image As I want to plot it, I need to have the coordinations. I checked the code here getting coordinates but it...

2 months ago | 2 answers | 0

### 2

answersQuestion

Factorization of sample matrix

I have T matrix T = [-1 -1 -1 -1 -1 1 0 0; 0 2 0 0 0 0 0 0; 0 0 3 0 0 0 0 0; 0 -1 -1 -1 -1 0 1 0; ...

3 months ago | 0 answers | 0

### 0

answersQuestion

Find and remove equal element in 2 different cell with different size

I have cell A and B. A = {[100,103,104],[4,5,11],[66],[4,5,1],[85,88,89,77]}; B = {[40,41,41],[4,5,11],[68],[85,88,89,77],[31,...

3 months ago | 1 answer | 0

### 1

answerQuestion

Find the number of red marks in box plot

I have the box plot like this. How can I find the number of the red marks? T = [1;-1;0.5;-0.5;0.75;-0.75;-6;-7;4;3]; h = boxpl...

5 months ago | 1 answer | 0

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answerQuestion

Plotting ellipses around the data points and circle around the cluster points

I have these points xy xy = [10 -10; 1 0; -1 0; 0 -1; 0 1 ;11 -10; -1 -1]; scatter(xy(:,1),xy(:,2)) grid on xlim([-20 20]) ...

6 months ago | 1 answer | 0

### 1

answerQuestion

Calculate mahalanobis distance of matrix for each row

I want to calculate mahalanobis distance of matrix A for each row with respect to average value of column. I use 'mahal' functi...

6 months ago | 1 answer | 0

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answerQuestion

Calculate covariance matrix for simple example

I have matrix such as temp = [1 2 4 2 5; 100 300 200 600 100; 10 15 20 10 30]; %[A;B;C] I want to calculate covariance of temp...

6 months ago | 1 answer | 0

### 1

answerQuestion

Plot function in two intervals

I'm trying to plot an interval funciton like, This is the code that I used x = -3:0.001:3; a = 1.3; y = zeros(size(x)); ...

6 months ago | 1 answer | 0

### 1

answerQuestion

Create a grouped boxplot

I have 3 groups of data A, B, and C. A = rand(100,8); B = rand(100,8)*2; C = rand(100,8)*4; I want to plot Box chart of grpu...

11 months ago | 1 answer | 1

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answerQuestion

How to see values in heatmap when we use subplot

I have heatmap like this subplot(2,2,1); a=rand(9); k=heatmap(a); subplot(2,2,2); a=rand(9); k=heatmap(a); subplot(2,...

11 months ago | 1 answer | 0

### 1

answerQuestion

shade area in a plot between x and y according to the value

I want to plot this picture These are the data I have x = [4.5;5;5.5;6;7;8;9;10]; y = (1:7)'; val = (0.1:0.1:1)'; Here ...

11 months ago | 0 answers | 0

### 0

answersQuestion

Least Trimmed Squares fitting

Is there any toolbox or written code for least trimmed square in Matlab?

11 months ago | 1 answer | 0

### 1

answerQuestion

Select rows in a given table according to 3 criteria

I have a table data like this %% Data of Table Name = {'A';'A';'A';'B';'B';'C';'D'}; index = [1;9;14;16;19;38;55]; Var_1 =...

12 months ago | 1 answer | 0

### 1

answerQuestion

Add names to table variables from a large cell

I have a 1x72 cell with name like 'Var_name' Var_name = {[1,3,4],[4,7,8],[1,2],...,[4,6,7],[5,6,8]}; ---> 1x72 cell and ha...

12 months ago | 1 answer | 0

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answerQuestion

VariableNames for table that begins with number

I have matrix like this A =[4 1 0 0;5 0 1 1;6 1 0 1; 7 0 1 0]; I want to make a table with this variable name Var_name = {[1,...

12 months ago | 1 answer | 0

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answerQuestion

Find random samples of some rows in the matrix and ensure the rank

I have a matrix 'A': A = [ 1.2285 -1.2285 2.3433e-17 -4.1658e-17 0.70827 -0.70827 1.351e-17 -2.4017e-17 ...

1 year ago | 1 answer | 0

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answerQuestion

Solve simple equation with the floor function.

S and P are known element in the equation. I want to find x S = 10; P = 13; S = floor(P*(1-x)) I do not know how to deal wit...

1 year ago | 1 answer | 0

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answerQuestion

Finding the index of duplicate rows in a cell

I have A and B A = [3,8; 8,9; 8,9; 3,9; 3,9; 3,5; 5,10; 5,10; 3,10; 3,17; 3,17; 11,17; 10,11; 10,11; 3,10]; B = {[3,8;8,9;9,3]...

1 year ago | 1 answer | 0

### 1

answerQuestion

Error When Using Writetable

I have this cell Using the below code to make a table: Table_1 = cell2table(g_final,'VariableNames',{'test1' 'test2' 'test3'...

1 year ago | 1 answer | 0

### 1

answerQuestion

Find the equality of each value in the vector and cell array

I have A = {1;[];1;[]}; B = [1;4;10;4]; I want to check equality of each row in the cell to the each row in the array and fi...

1 year ago | 1 answer | 0

### 1

answerQuestion

Insert elements into vector

I have a vector 'index' and 'val_index' index = [1;2;4;5;6;8;9]; index_val = [11;25;3;4;56;7;9]; I remove indices 3 and 7 fro...

1 year ago | 1 answer | 0

### 1

answerQuestion

tabulate cell2table

I have a ‘group_belong’ like this: The group_belong{2} is: The group_belong{4} is: I use the below code to remove empty...

1 year ago | 1 answer | 0

### 1

answerQuestion

Find equal value in two cell arrays

I have 2 cells A = {5;5;[];[];[];[];[];[]}; B = {5;13;4;12;12;12;17;14}; As you see, index one of cell A equals to cell B. I...

1 year ago | 1 answer | 0

### 1

answerQuestion

Residual values for a linear regression fit

I have these points x = [1,1,2,2,3,4,4,6]'; y = [8,1,1,2,2,3,4,1]'; I want to remove the point from above set that makes the ...

1 year ago | 1 answer | 0

### 1

answerQuestion

If statement for the structure in table

I have a table like this: %% table info alphabet = {'A';'A';'B';'A';'C';'D';'C'}; val = [52.1;20.0;13.27;10.49;4.35;4.16;3.78...

1 year ago | 1 answer | 0

### 1

answerQuestion

Insert elements to cell array

I have cell array g like this: {'A'} {[1]} {[1]} {[1]} {'B'} {[1]} {[2]} {[1]} {'C'} {[2]} ...

1 year ago | 2 answers | 0

### 2

answersQuestion

Set all elements of a sparse matrix to zero

I have 4 sparse matrices A, B, C, and D . ABCD = [A B; C D]; How can I set the all elements of the sparse matrix B and C to ...

1 year ago | 1 answer | 0