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Na


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93 total contributions since 2018

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Question


Select edges that connect subgraphs together
I have a graph like this M = [1 2; 2 3; 1 3; 4 5; 5 6; 6 7; 4 7;2 4; 5 7; 5 8;11 8; 8 9; 9 10; 10 11;4 12; 12,13; 13 14;12 14];...

14 hours ago | 2 answers | 1

2

answers

Question


Change the order of matrix
I want to change the order of B in accordance with Index. Index means that 'row 2' in B should change to 'row 5' in New_B. I w...

8 days ago | 1 answer | 0

1

answer

Question


problem to write a condition for 'if'
I want to save A_new according to this condition: If A_new decreases the length of B, I want to save it. I wrote a code like ...

14 days ago | 1 answer | 0

1

answer

Question


finding overlapping and non-overlapping values in matrix
I have A = [3 16 4 16 3 21 4 21 3 29 3 29 17 27 18 29 25 72 ...

16 days ago | 1 answer | 0

1

answer

Question


How to reorder cell array based on the vector
I have index = [1; 2; 4; 3; 7; 6; 5]; list = {[1158;1159], [1543;1544], [2020;2096;2173], [2159], [4836], [5374], [5492;5493]...

16 days ago | 1 answer | 0

1

answer

Question


using end in array
I have B=[]; A = {[1,2,3,15],[14,15,45,44,38,48,47,46]}; for i=1:length(A) for j=1: length(A{i})-1 temp = A{i}...

17 days ago | 1 answer | 0

1

answer

Question


Find ones blocks in upper triangular matrix
I have A A=[0 0 0 0 0 0 0 0 0 0 0 0 0; 0 0 0 0 1 0 1 0 0 0 0 0 0; 0 0 0 0 0 1 0 0 0 0 0 0 0; 0 0 0 0 1 0 1 0 0 0 0 ...

21 days ago | 1 answer | 0

1

answer

Question


remove rows in matrix if it is repeated 2 times
A = {[1,6,3,2],[3,6,5]}; A1 = unique([A{:}]); B = [1 2; 1 6; 2 3; 3 5; 3 6; 5 6]; B_bk = [1 2; 3 6; 3 5; 1 4; 4 6; 1 6; 6 5...

23 days ago | 1 answer | 0

1

answer

Question


find missing element between two matrix
I have A=[1 2; 3 6; 3 5; 1 4; 4 6; 2 7; 1 6; 6 5; 2 3; 6 7; 3 4]; B=[1 2; 1 6; 2 3; 3 4; 4 6]; I want to find missing elemen...

23 days ago | 1 answer | 0

1

answer

Question


save values in array
I have A={[1,6,3,2],[3,5,6]}; all_el =[]; for i=1:length(A) all_el(end)=A{i} end I want to have this result all_ell=...

24 days ago | 2 answers | 0

2

answers

Question


produce all combinations of n choose k in binary
I have n=5; k=3; I want to have combinations of n choose k in binary result should be (5 choose 3=10) (the order does not m...

27 days ago | 3 answers | 0

3

answers

Question


remove all ones from matrix in combinantion
I have A A=[0 0 0 0 0 0 0 0 0 0; 0 0 0 1 0 1 0 0 0 0; 0 0 0 1 1 0 0 0 0 0; 0 0 0 0 0 1 0 0 0 0; 0 0 0 0 0 0...

1 month ago | 1 answer | 0

1

answer

Question


How to use unique function here
I have A={{[1,3,4],[1],[2,3,4,6,8]},{[1,2,34],[1,2,3,4,5,6,7],[1,2,9,6,4],[1,3,4]},{[8,9],[2,3,4,6,8],[1,3,4]}}; A = cellfun(...

1 month ago | 1 answer | 0

1

answer

Question


Need to remove elements which repeated 2 times
I have A=[1 2; 1,3; 1,4; 1,5; 2,3; 3,6; 4,5; 5,6]; element 2, 4, 6 repeated 2 times. I want to remove them from A. A_new=[1...

1 month ago | 1 answer | 0

1

answer

Question


How to keep column of removed row in matrix
I have matrix A and want to remove the rows of A that have nonzero element. Also want to keep the index of removed columns and r...

2 months ago | 1 answer | 0

1

answer

Question


How can I draw non planar graph in 3D dimension
I have an edge data. G=graph(E(:,1),E(:,2)) h=plot(G) I want to draw it in 3D dimension. Is there any way to do that? I saw...

2 months ago | 1 answer | 0

1

answer

Question


Find the index of zero in cell and put it as empty
A={[45;101],[2;7],[5;8],0,0}; A(cell2mat(A)==0)={[]}; % I want to find zero and put in empty A should be A={[45;101],[2;7],[5...

3 months ago | 1 answer | 0

1

answer

Question


how to write superscripts for x-axis in a boxplot
I have h=boxplot(x, g, 'notch','off','label', {'89_{p}','10007_{p}','3067_{M}'}); how to write p as a superscripts for x-axis...

3 months ago | 2 answers | 0

2

answers

Question


how to change font size of bus number in graph
I have this graph M=[1,2;3,4;4,1;2,3] g = graph(M(:, 1), M(:, 2)); h = plot(g); I have attached the graph here and want to c...

3 months ago | 1 answer | 0

1

answer

Question


remove and save row of matrix in while loop
I have remove_b=[] a=[0,1,1,1,1,0,1;0,0,1,1,0,1,1;0,0,0,1,1,0,1;0,0,0,0, 1,1,0;0,0,0,0,0,0,0]; b=[1,1;1,2;1,4;1,5;1,9]; [n1,...

4 months ago | 1 answer | 0

1

answer

Question


Do not understand Curve intersections code
I used Curve intersections code and it gives the answer https://ww2.mathworks.cn/matlabcentral/fileexchange/22441-curve-interse...

6 months ago | 1 answer | 0

1

answer

Question


change numbering inside cell
I have B=[1,1;2,2;3,40;4,10;5,15;6,19;7,22]; c={[1,10,15],[15,19,22],[1,2,40]}; Matrix B shows that 4 is correspond to10 or 7...

6 months ago | 1 answer | 0

1

answer

Question


insert zero in chosen column of matrix randomly
I have A=[ 1 2 1 4 3 4 1 4 4 5 1 5 5 7 1 6 7 ...

7 months ago | 1 answer | 0

1

answer

Question


remove row of matrix inside cell
I have A A={[1,2;4,5;8,9],[1,2,3;4,5,6;1,4,5;2,4,5],[3,4,5,6;1,2,3,4;8,9,0,8;3,4,5,6]} B={[1;3],[2;4],[2]} I want to remove B...

8 months ago | 1 answer | 0

1

answer

Question


remove first element in cell and do not change index of other element
I have A, and want to remove first index from remain index A={[1,2,3],[2,6,8,7],[4,5,6,7,8,9,10]}; first_index=cellfun(@(v) fi...

8 months ago | 1 answer | 0

1

answer

Question


change entry of sparse matrix
I have sparse matrix. I want to change entry [2;3;5] to [0.01;3.4;4.1] A=[1,0,0,0,0;0,2,0,0,0;0,0,4,0,0;0,0,0,3,0;0,0,0,0,6]; ...

8 months ago | 1 answer | 0

1

answer

Question


change one column of matrix
I have A A=[1,0,4,0,5,0;0,1,0,3,-1,0;0,4,0,0,0,8]; B=[1.2,-1,-2.1,-1.3,-1.4,1;-2.1,1.3,-1,-2,-3,-1.8;1.9,-1.2,3.1,2.7,2.5,-0.5...

9 months ago | 2 answers | 0

2

answers

Question


fix inv warning in matlab
I use this code: b=inv(A'*A)*A'*y; Matlab gives warning. never use inv to solve linear system How can I fix it?

9 months ago | 1 answer | 0

1

answer

Question


add uniform random number to matrix
I want to add uniform number which change for each element of matrix. But if I use this code, same number add to element of A ...

9 months ago | 1 answer | 0

1

answer

Question


generate Gaussian noise with certain mean and variance
I want to produse Gaussian noise. So, I use normrnd. m=0.17; n=normrnd(6.*m,m.*m); I think the n should be sometimes negative...

9 months ago | 0 answers | 0

0

answers

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