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Why I am not getting the same result for an integral of a piecewise function?
1 - It should be aux1 - (aux2 + aux3) 2 - The function is not vectorized properly, which provides incorrect results. I have mod...

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array generation using logics.
x = [0 10 20 30 0 10 20 30 40 0 10 20 30 40 50 0 10] y = x; idx = [1 find(diff(x)~=10)+1 numel(x)] for k=1:numel(idx)...

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How programmatically create an array from variable-length vectors?
Here's a method to import data from a sequence of files - %Read all the mat files in the directory Files = dir('*.mat'); %...

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How to substitute a variable into a syms function?
Define the variable as a symbolic variable and then substitute - syms Vpo Von Dp Dn ws Lp Cps Ll Lm Vsecm Isec_real Isec_imag ...

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How do I change the format of symbolic output
Change the symbolic preference of Type-setting as follows - syms x y sol = solve(y-x^2,x) %Preference changed (Default v...

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Turn sequence into a loop
A better approach would be to vectorize, see below. (I assume all the arrays to be used have compatible dimensions for operation...

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如何得到361x91数组中重复最大值的位置
Use find - %Sample data mat = magic(4); mat = [mat; 1 4 9 16] %Get the maximum value val = max(mat, [], 'all') %% Find th...

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Read text file line by line to columns
Use readmatrix (available from R2019a onwards) to read the data and transform it as per need - in = readmatrix('RANCHOD - Copy...

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行列の要素数を変更し、それぞれを違う行列として表示するにはどうすればよいですか
Preallocate a cell array, define each cell element accordingly and use indexing to access the data - %Number of arrays n = 10...

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Where can I find the documentation for polling methods applicable to paretosearch?
From the User's Guide of Global Optimization Toolbox, available here - https://in.mathworks.com/help/pdf_doc/gads/index.html (Pa...

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Subs does not work in my code.
You can vectorize operations in the code - function [sMnew] = Cubic(k,M) n = 3*k+1; x = sym('x'); c = sym( 'c', [1 M+3]); ...

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Randomly giving "ans" value but i dont want that
"How can i prevent the creation of the "ans" ?" When calling a function with multiple outputs without specifying the outputs, o...

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How to plot points with corresponding colour
(Assuming there are only red and blue colors for the plot) Use logical indexing - %Check which elements of B are red idx = str...

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使用limit函数求极限提示不允许不同类型之间赋值，怎么解决？
I scrolled across the image - jie is already defined as a struct (possibly in the code before this particular lines), thus you c...

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How can I plot graph with lines of different color each using for loop?
You are over-writing the figure in each iteration, thus you only get the plot for a single iteration (i.e. the last one). Call ...

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How to create random sequence?
Use randn to generate the sequences and modify it accordingly - avg = 817e-9; sd = 10e-9; N = 50; seq = avg + sd*randn(1,...

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I need to make a function for compound interest using for
In case you want the final output - format shortg money=1000; for k=1:10 money=money*1.08; end money In case you w...

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How to extract data from a 3D Array?
Use logical indexing - %Sample data p = 5; q = 6; r = 4; y = rand(p,q,r)-1; y(:, :, [2 r+1]) = zeros(p,q,2) %Check i...

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for構文
That is because you are overwriting the files in each iteration of the for loop. Pre-allocate the output to assign data to it a...

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'입력 인수가 부족합니다' 이 오류를 해결하고 싶어요.
I have made some changes to your code, please check the code below and refer to the comments for information - syms('x') %%...

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Versions de Matlab compatibles Windows 11 et versions non recommandées pour Windows 11
MATLAB was introduced in Windows 11 from R2021b onwards. So, any versions before it i.e. R2021a or earlier, won't work on it. ...

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Combining excel files with unequal rows
Try outerjoin - %Data from the images attached for example %Use readtable() to read the data as tables directly Name = ["Ada...

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What is the last day of support for a MATLAB release (EOL - End of Life)?
This is not a good answer, @MathWorks Support Team - It's like saying pi is the ratio of circumference and diameter, when the qu...

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複素数の事前割り当て
You can use this syntax of zeros() to preallocate the data as a complex array -https://in.mathworks.com/help/matlab/ref/zeros.ht...

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How to find the frequency of individual elements in a matrix?
MATLAB has a in-built function for it - histogram, which does both the operations in single command - s = load('micro2d (2).ma...

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Assumption on another symbolic Variable affecting a previous assumption
Because assume over-writes assumptions. From the Tips section in the documentation page - "assume removes any assumptions pr...

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MATLAB Grader: What should my assessment return when it determines a student solution is correct or incorrect?
You can use assert to check a condition (whether the title contains a particular text or not) and throw a (custom defined) error...

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To find answer using matlabfunction
You get the wrong value because the order of inputs is not correct. By default, matlabFunction uses alphabetical order for the ...

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convert a .mat to excel file
(Assuming single data set in each file) Read the data from the files and use writematrix to save the data in excel files accord...

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Matlab cannot recognize variable
"Why is Lambda unrecognized here?" Because the while loop is not initiated, as the condition is not satisfied. As the while lo...

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