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Algebraic Riccati Equation Solution for Code Generation
The solution of riccati equation using Simulink was answed here: https://www.mathworks.com/matlabcentral/answers/87237-lqr-simu...
3 years ago | 0
Question
How to create a multisine signal input using idinput given duration and peak value?
Hello everyone, I am setting up a system identification experiment, and I came across the following example for an industrial a...
3 years ago | 0 answers | 0
0
answersHelp to Generate triangle wave
There is a function you might use for this task called sawtooth. You might find some help in this page. t = -.4:0.001:.4; ...
4 years ago | 0
how will I replace a string with another string without using strrep?
If you still want to keep your line of thought instead of using Bhaskar approach, which is simpler, you can: % Example entries ...
4 years ago | 0
Question
Is there an alternative way to perform the following matrix transformation?
Is there a better way to perform the following operation. For example, for the following matrix: A = 1 13 25 ...
4 years ago | 2 answers | 0
2
answersHow do i find x in an equation using the solve command?
Do you have Symbolic Math Toolbox? Try the following: syms x fcn = x-2; solve(fcn == 0)
4 years ago | 1
Why is my plot blank? (New to MATLAB)
Try the following: x = -pi:.1:pi; for i=1:length(x) S(i) = (2.*heaviside(x(i)))-1; end figure plot(S,x,'-r*'); axis([...
4 years ago | 0
Find set of values that are unique to the values in another column
% Mqtrix A =[2 3; 2 6 2 8 4 5 5 9 5 39 5 6] % Get unique values on first collumn un = unique(A(...
4 years ago | 0
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Extract Min, Max and mean values for each month of each respective year. (Excel Data)
%% Initialize variables. filename = 'temptable.csv'; delimiter = ','; startRow = 3; %% Format for each line of text: form...
4 years ago | 0
How can I ready a m file form a exe program?
See Kaustubha Govind answers in https://www.mathworks.com/matlabcentral/answers/23369-generating-standalone-executable-file-us...
4 years ago | 0
I'm trying to define a simbolic variable like ¨ syms x ¨. I used to do it but now It doesn't work..
Maybe you do not have the Symbolica Package installed or do not have license. Run the following comand on command windows: ver ...
4 years ago | 1
Help !! Problems Using fmincon
I see that you already have choose your solver, which is fmincon. Go over on the Description of the solver and note it contains ...
4 years ago | 1
How do I compare to matrices with each other?
If I understood right, you want to compare the first 1000 rows of these two matrix. % Sample Matrix A = rand(1000, 3); B = ra...
4 years ago | 1
Running a calculation for an entire array and putting the results into a new array
% Given A as: A = 1:194; % We can simply solve the following: B = 2+2./A;
4 years ago | 0
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How to plot individual data on a 2D line graph
See the following example: % Sample Data x = 0:.1:2*pi; y = sin(x); % Find maximun value [max_point, idx] = max(y); fi...
4 years ago | 1
Producing outputs from loop
for N=1:1068 [pks,locs] = findpeaks(xMatrix(:,N),'MinPeakDistance',20,'MinPeakHeight',750); B = rmoutliers(pks,'mean')...
4 years ago | 0
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for loop for reading numbers from a matrix in each row
% Matrix a a =[1 2 4; 3 4 5; 5 6 2] % Get size of a [n, m] = size(a); % Run throu...
4 years ago | 0
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concatenate column values in a vector
You can use the following line of code: v2 = sum(v1*diag(10.^(length(v1)-1:-1:0)));
4 years ago | 1
Give me some help to solve this problem ?
First, your code shows two different variables: BW and bw. Also, you might adjust the binarization with some threshold. BW = i...
4 years ago | 1
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Add text to individual frame using Videowriter.
See the following functions: text or annotation.
4 years ago | 0
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matlab not reading images from folder in correct sequence
It had happened to me before. The problem is the files name is sorted in according to the strings. Let's say you have the follo...
4 years ago | 0
How to sum the minor number of each line in a matrix?
Given matrix A as: A = [9 6 3; 8 5 2; 7 4 1]; % Sample Matrix minA = min(A,[],2); % Ret...
4 years ago | 0
creating a matrix from two sets of data
Here is a possible solution: x = [1 2 3 4]; y = [1;2]; nx = length(x); c(1:nx,1) = x; c(1:nx,2) = y(1); c(nx+1:2*n...
4 years ago | 0
creating a matrix from a column vector
Lets say you have your signal (EEG_signal): EEG_signal = rand(1,136704); % Sample SIgnal You can reshape this on matrix format...
4 years ago | 0
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Indexing how many times is an element repeated in a matrix in another array
The following piece of code solve your problem: arr = unique(A); for i=1:length(arr) n = arr(i); B(A==n) = 1:length(...
4 years ago | 1
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Loop for repeating a process multiple times
You need to use the ./ operator to perform division of arrays. Try this E = 100; I = 1:100; C = 1; Loss ...
4 years ago | 1
| accepted
i cannot find the minimum values for matrix.
Alternative method to find the minium value for each column: min(T,[],1)
4 years ago | 0
| accepted
[U,V]=eig(A) , AU won't equal UV
It is not a bug. It depends of the floating point numbers. If you type the following, you will observe that the floating point...
4 years ago | 1
sz means in image segmentation
Let's say you have size = [300 400]. So, img is a matrix of zeros with this size. than you might show. Try the following code: ...
4 years ago | 1