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Can I get the integral formula using Matlab?
syms x m n f = (1/sym(pi))*sin(n*x/2)*(pi-x)^2*sin(m*x/2); Fint = int(f,x,[0 2*pi]); limit(Fint, m, n) subs(ans, n, 1) sim...

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How to make MATLAB read the environment variable JAVA_HOME
Potentially you could edit the .matlab7rc.sh file. See https://www.mathworks.com/help/matlab/ref/matlabmacos.html#bunueg9-5

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Extract Text and Values from String
strs = {'AB(16.7)CD[20.6]EF[.1]', 'AB(16)CD[20.6]EF[.1]'}; for idx = 1 : length(strs) str1 = strs{idx}; info = regexp...

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How can I create new rows in my table?
t(1) = t0; y(1) = y0; for i = 1 : n y(i+1) = y(i) + h * f(t(i), y(i)); t(i+1) = t0 + i * h; fprintf('y(%.2f) = ...

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Use of parallel with RTX 5090
For the 50x0 series, you currently need to enable forward compatibility; https://www.mathworks.com/help/parallel-computing/paral...

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Syntax problem with command in cmd
system("C:\Program Files\Altair\2025\Compose2025\Compose_Console.bat" -e "filePath=C:/Users/pantm/OneDrive/Desktop/TEST_LCA_doub...

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Matlab student version: :Error:Failed to load library 'commchan3' referenced by 'AcousticPropagationBP_Session1/Noise interference n(t)'."
Communications Systems Toolbox is not free with MATLAB and is not one of the packages bundled into the Student Suite. At the mo...

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Numerical Methods for Singular systems
if i<=N_0+1; x1(:,i)=0; x2(:,i)=0; x3(:,i)=0; else d_1=floor(1.5+si...

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How to Confirm My MATLAB License is Educational/Student Version?
>> getenv('MLM_LICENSE_FILE') ans = '13501@10.168.71.56:13501@10.168.231.186' You are using an education license, not a stude...

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Polyspace 2022a on Windows Server 2022 or 2025
Polyspace 2022a is not supported on Windows Server 2022 or 2025; only on Windows Server 2019. Whether it will work is a differe...

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Unrecognized function or variable 'transformerLayer'
transformerLayer is not supplied by Mathworks. You need something like https://github.com/malkhodari/Transformer_MATLAB/blob/ma...

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How to find the adjecent values of zeros blocks inside a matrix
%guess: a block of 6 zeros should be treated as the first case ? mask2 = all(Data(:,2:4) == 0,2); mask5 = all(Data(:,5:7) == 0...

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making the graphic smaller
Generally speaking, what you would do is set the axes Position property smaller. You would probably tend to move the axes at the...

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Heatmap and surf plot of same data is looking different. Also is there a better way to 2D smooth
Notice that the heatmap shows the center of the blocks labeled 1 through 7, whereas the surf() shows 1 and 7 at the extreme edge...

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Does anyone know how to use an IF statement with ODE's? I am trying to create an IF statement sigma > 0 , tau > 0 if dx(3,1) > 0, dx(1,1) > 0 and sigma = 0 , tau = 0 otherwise
Do not use an if statement inside an ODE... Not unless the if statement will always follow the same branch for any one invoca...

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Getting a shorter, more simple answer as output
syms x y log4 = log(sym(4)); y=(log(x)/log4)+(log(x^2)/log4); dy=diff(y)

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How to install a personnal toolbox for Matlab and simulink
Copying a Mathworks toolbox onto a system that is not licensed for it, is illegal. Copying a Mathworks toolbox onto a system t...

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Read .txt file with dots in filename
projectdir = '.'; %directory that contains the data dinfo = dir(fullfile(projectdir, 'xx*.txt')); filenames = fullfile({di...

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Is it possible to add Interactive Tasks into App Designer
No, Interactive Tasks are specific to Live Script. You would need to build appropriate sliders and drop-down menus yourself.

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How to prevent tabulate function returning frequencies of variables that are not present in the vector?
The problem is that v1 was created as a categorical with additional categories beyond the ones populated. I do not know of an e...

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How to generate a file with ANSI encoding in MATLAB (specifically appdesigner)?
[fid, msg] = fopen(FileName, 'w', 'n', 'US-ASCII'); Note that US-ASCII only covers the first 128 characters (0 to 127), and tha...

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finding longest length
Consider using bwskel -- possibly with the 'MinBranchLength' option.

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Change variable name based on what loop it is on
It is possible to do this. It is not possible to do this simply. We firmly recommend that you do not do this. http://www.mat...

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How to skip missing time durations in a time-series heatmap (image based figure)
imagesc(DateTime,APS_diameter,APS_data) imagesc(x,y,C) specifies the image location. Use x and y to specify the locations of th...

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How can I know the coordinates that the aircraft has moved along the path. If i don't know the position and direction?
If you do not know the speed or time of movement, then you cannot know the position at any time after the initial conditions. ...

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VxWorks libmat and libmx source code
You can use https://github.com/tbeu/matio

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Scatter plot error: not enough input arguments
f_of_x = table((1 / sigma_sqrt2pi) .* euler.^(-(ESD_mu_squared / sigma_squared_two))) ; scatter(OL_All.EquivDiameter, f_of_x)...

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failing to normalize columns of matrix from 0 to 1
Perhaps you want something like n = A; for ii=[2 4 6 8 10 12 14 16 18 20 22 26] n(:,ii) = (A(:,ii)-min(A(:,ii)))/(max(A(:...

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parfeval evaluation is slow
Note the correction to the number of output arguements parameter in the parfeval() call f = cell(NumOfSlabs, 1); for k=1:NumOf...

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violinplot (R2024b): SceneNode error?
The typical cause of this sort of problem, is if you have a third-party .m file with the same name as a Mathworks function. To ...

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