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**Content Feed**

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

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

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

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

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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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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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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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

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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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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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

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

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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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

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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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

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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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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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

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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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

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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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

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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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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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

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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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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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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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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