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How do I prevent MATLAB from converting characters into their ASCII equivalent?
number = 7; char_vector = repmat('*',1,number); disp(char_vector);

43 minutes ago | 0

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How to interleave data from 2 doubles of differing length?
How about this? A=[1;2;11;20]; B=[3;4;5;6;7;8;9;10;12;13;14;15;16;17;18;19]; AB = NaN(max([A;B]),2); AB(A,1) = A; AB(B,2)...

2 hours ago | 0

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How can I convert 5.000000e-01 to 0.5 in Matlab? Please help. Thank you so much.
format longE 0.5 format longG 0.5 Documentation: format

2 days ago | 0

Answered
Browsing through figures, without opening them all
You can use load to inspect .fig files programmatically: f = figure(); plot(1:10,'ButtonDownFcn','disp(''ok'')'); saveas(f,'1...

2 days ago | 0

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How to set y axis limit same for 2 subplots in a figure object?
Store the axes objects returned from subplot(), and then set their YLim: features = 99; for feature = 1:numel(features) h...

6 days ago | 0

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Answered
Error using horzcat Dimensions of matrices being concatenated are not consistent.
Here's how you can add zeros to the beginning and end of your signal (with the extra zero going to the end in case the number of...

6 days ago | 0

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Answered
Hi, I have the following 1x10 matlab structure where all 10 elements are column vectors of varying sizes. Need to convert it to matrix as described below. Any help?
If S is your struct array and M is your matrix of zeros: for ii = 1:numel(S) M(ii,1:numel(S(ii).times)) = S(ii).times; en...

7 days ago | 1

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Answered
I'm trying to graph a function on an interval, and the graph either doesn't show up or is the wrong graph
x = linspace(-2,16,100); % y = (4*cos(x))./(x.*exp(x.*-0.75)); y = (4*cos(x))./(x+exp(x.*-0.75)); % ^ <---- h...

8 days ago | 0

Answered
Adding a string in front of every variable in a table
% read the table t = readtable('Ztable.xlsx','VariableNamingRule','preserve'); % modify the variable names t.Properties.Var...

8 days ago | 0

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Answered
Index exceeds the number of array elements. Index must not exceed 1.
This line: T=T(i) takes the ith element of T and stores it as T, after which T is a variable with one element. So any subseque...

9 days ago | 1

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Answered
help with smooth curve
Like this? x = 2:2:20; y = [1.23 0.95 1.1 1.44 1.47 1.1 1.21 1.4 1.1 1.39]*1e4; plot(x,y) x_new = 2:0.2:20; y_new = inter...

9 days ago | 0

Answered
Read a punch file
This may work: % read the file contents as a char vector: fid = fopen('sample.txt'); % (had to change extension to txt to uplo...

9 days ago | 0

Answered
Change axis color on parts of the mesh
Here's one way: [X,Y] = meshgrid(1:0.5:10,1:20); Z = sin(X) + cos(Y); C = 1 + (X <= 2 | X >= 9); surf(X,Y,Z,C) colormap([1 ...

10 days ago | 0

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Answered
I want to fix the zeros values in their same indices in certain two matrices A and B (to not be updated) in a cost function?
A = [0.1 0.2 0; 0.2 0.8 0; 0 0 0.7] newA = [1 2 3; 4 5 6; 7 8 9] idx = A == 0; A(~idx) = newA(~idx)

12 days ago | 0

Answered
Zero Matrix Values using Indices
Speed_ENU = [1,3,6,14,25,33; 11,12,15,45,15,67;1,32,16,4,25,3; 11,12,5,45,15,7;11,32,6,4,25,33; 1,12,5,44,15,67;11,31,6,4,25,3; ...

12 days ago | 0

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Answered
Create column into struct if 'if statement' met a condition
Here's one way: % construct a modified version of your variables: shape_area = [ ... struct('Geometry','Polygon','Column1...

13 days ago | 0

Answered
Requested 250000x250000 (931.3GB) array exceeds maximum array size preference
One of them is a 1x250000 row vector. You can transpose that one, or you can convert it (or both) to column vector(s): x1(:).*x...

13 days ago | 3

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Answered
extract numbers from a string.
str = '"sensor_serials": {"H1": "3637", "H2": "3638", "H3": "2787"}' numbers = regexp(str,'"(\d+)"','tokens'); numbers = [num...

16 days ago | 0

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Answered
How to remove a slash from fullfile?
Combine the 'MC_' and the i into a single argument. Like this: wtf= fullfile('C:\','Users','jessi','Desktop','HydrusMC','Simul...

16 days ago | 0

Answered
Replacing NaN with char
A = [1; 2; 3; NaN; 5; NaN;]; a = num2cell(A); a(isnan(A)) = {'Example'}; disp(a);

17 days ago | 0

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Answered
How to convert 3D cell of different dimensions to a single matrix
Maybe this does what you want: cat(3,hDp{:})

18 days ago | 0

Answered
checking folder has more than one file with similar name
% use the name of the folder you want to check: folder = './'; % get info about the files in that folder whose name starts w...

19 days ago | 0

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Answered
How do I access data inside a struct that is inside another struct that is inside a cell array
If B is the index of the struct you want in cell array A, C is a field of that struct, etc. A{B}.C.D

21 days ago | 0

Answered
How to extract particular row values from cell arrays with varying cell lengths?
N = numel(x.total_states); first_fragment_labels = cell(1,N); first_fragment_signal = cell(1,N); for ii = 1:N ...

22 days ago | 0

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Answered
How do I compare values within a for loop using if/else?
Seems like you want to compare one element of Vx and Vy at a time: if Vx(i,j,k) == Vy(i,j,k) disp('X = Y') elseif...

23 days ago | 1

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Answered
How can i open a list of files?
folder = 'Path\to\your\directory'; old_ext = '.txt'; % original extension new_ext = '.dat'; % new extension old_files = dir...

28 days ago | 0

Answered
Modifying MATLAB code according to conditions (MATLAB)
B = max(A); C = find( A == B , 1 ); Or [B,C] = max(A);

29 days ago | 0

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Answered
matrices specific value selection
Like this? % constructing your B.values B.values = cat(3,[ ... 92 99 1 8 15 67 74 51 58 40 ...

30 days ago | 0

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Answered
splitting Cell array in a loop
X = 1:32; Y = cell(1,4); j = [1,9,17,25]; for i = 1:numel(j) Y{1,i} = X(j(i):j(i)+7); end disp(Y) Or: Y = num2cell(...

30 days ago | 0

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Answered
Creating vector from a cloumn of a matrix
Transpose the column: RowMatrix = Matrix(:,1).' https://www.mathworks.com/help/matlab/ref/transpose.html

30 days ago | 0

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