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**Content Feed**

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...

3 jours ago | 0

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...

3 jours 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...

4 jours 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...

5 jours 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...

5 jours 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...

6 jours 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...

6 jours 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...

6 jours 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 ...

7 jours 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)

9 jours 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; ...

9 jours 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...

10 jours 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...

10 jours 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...

13 jours 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...

13 jours ago | 0

Replacing NaN with char

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

14 jours 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{:})

15 jours 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...

16 jours 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

18 jours 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 ...

19 jours 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...

20 jours 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...

25 jours ago | 0

Modifying MATLAB code according to conditions (MATLAB)

B = max(A); C = find( A == B , 1 ); Or [B,C] = max(A);

26 jours 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 ...

27 jours 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(...

27 jours 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

27 jours ago | 0

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How to summation using for loop with a vector

"... not to sure how to make a for loop for SXY ..." The square brackets give you a syntax error: for [i = 100] Removing them...

27 jours ago | 1

How can I find an specific value inside an array without using the find function?

You can use the max function with second output argument, applied to the logical array w>=10, in order to return the first index...

28 jours ago | 0

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how to expand a Square matrix and reverse to its original form ?

Here's some code that generalizes the example for any n (size of original matrix), except this expands the matrix to size n^2-by...

28 jours ago | 1

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Find differences between 2 tables

If your tables are the same size and both contain all numeric data, then this would work: % create some tables: t1 = table([1;...

environ un mois ago | 0