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how to use "range" in uislider
s = uislider(fig,"Limits",[1 50]); <https://www.mathworks.com/help/matlab/ref/matlab.ui.control.slider-properties.html>

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str2num is returning and empty matrix: []
You don't need to use cell2mat; just use curly braces to get the contents of a cell in a cell array. For example: datetempDat ...

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str2num is returning and empty matrix: []
There may be a character you don't see, at the beginning of the file, which is included by importdata at the beginning of the fi...

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How do i extract a column from an array
This stores the 3rd column of the array A as Col1 (and displays Col1 in the command window): Col1 = A(:,3) Is that what you wa...

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graph multiple excel or csv files
% get info about the (4) files S = dir('*.xlsx'); % construct full path file names filenames = fullfile({S.folder},{S.name}...

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Different Output value of Functions
Implementation 1 has x*y^2 in the third term; Implementation 2 has x1*x2^3 in term3. f_value = (1.5- x+ x*y)^2 + (2.25 - x + x*...

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Placing transparent rectangles on top of a plot
It's hard to say for sure what the problem is without the data, but one problem might be that the axes Y-Limits are outside wher...

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How do I use only one legend entry for sets of xlines?
One way is to explicitly state which line objects to put in the legend, in the call to legend. For example: subplot(3,1...

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Plot two areas of logarithmic plots
load('data_x.mat') figure; plot(x1,y,'b','Linewidth',1); hold on; plot(x2,y,'r','Linewidth',1); set(gca,'xscale','log','...

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Variable Browser Tab Issue
It looks like the Variable Browser for that particular variable became undocked. See the following answer for how to dock it aga...

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Need help in MATLAB tiled layouts (nested)
Something like this? t=tiledlayout(2,2); [X,Y,Z] = peaks(20); % Tile 1 t1=tiledlayout(t,1,2); nexttile(t1) surf(X,Y,Z) ne...

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how to create array datetime
load matlab_A A hh = floor(A(:,4)/100); mm = mod(A(:,4),100); ss = zeros(size(A,1),1); B = [A(:,[1 2 3]) hh mm ss]; D ...

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Overlaying three functions on a single plot
To avoid the error, use element-wise multiplication (.*), because * is for matrix multiplication. https://www.mathworks.com/hel...

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>> qardl(data, ppp, qqq, tau) Unrecognized function or variable 'data'.
To run this function, you'd need to supply the inputs data, ppp, qqq, and tau. These are described in the comments at the top of...

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Why does the tiledlayout keep the whitespace between tiles although TileSpacing is 'tight'
I guess the "tiled" part of "tiledlayout" implies that all contained axes are the same size and that the amount of space between...

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Crashing on size(img)
You have a variable called "size". If this is a script, do clear size and then run the script again. If this is a ...

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Sort Table Variable with Cell Arrays
t = table(t1,t2); [~,idx] = sort(t1(3:end)); t = t([1; 2; 2+idx],:);

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Why is my code seemingly ignoring some of the for loop commands?
d is computed anew on each iteration of the for loop; thus after it's done the result you see is the last d that was computed, e...

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Error due to not enough input arguments in ' C_c = cold.m_dot_c*Cold.c_p_c; %W/K '
The function find_UA expects two inputs. If you provide fewer than two inputs (e.g., by clicking the green Run button in the MAT...

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How can I display a line in 3D with a colour gradient?
n = 10; x = linspace(1, 2, n); y = cos(x); z = y.^2; points = [x' y' z'] surf(points(:,[1 1]),points(:,[2 2]),points(:,[3...

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Timer function to refresh the data
Make timerObj an app property so that the functions within your app can access it. properties (Access = private) timerObj ...

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using bar3(z) to plot in unusual data visualization
red_data = [ 5 5 20 35 15]; blue_data = [30 25 20 15 5]; green_data = [30 25 35 5 5]; Nr = numel(red_data); Nb = nu...

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Removing empty cells from cell array with multiple rows while preserving the rows
C = { ... 'Right knee','Head','Elbow/forearm',[]; ... 'Hand/wrist',[],'Pelvis',[]; ... [],[],'Ankle/foot',[]; ......

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How code with for loop to get an array?
You can make I a 3D array of size Nx-by-Nx-by-numel(F). clc;close all;clear all; lambda = 532; k = 2*pi/lambda; z=[1.037000...

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Why is this dot notation used?
.' is transpose, and ' is complex conjugate transpose, so when x is real, x.' and x' are the same. Example, real x: x = magic(...

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Input folders or files contain non-standard file extensions.
The error is happening on this line: ads = audioDatastore(output_dir, ... 'IncludeSubfolders',true, ... 'LabelSource'...

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Pass variable name through variable of a custome save function made error
In saveModel, the variable model is a string variable containing the name of the struct variable you want to save, right? The p...

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How to use my Line and Collum in Excell as X and Y for my graphic?
xlim(x([1 end]))

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Matrix does not want to multiply and gives an error when I multiply a 3x3 matrix with a 3x1 matrix
Do Ainv*B not B*Ainv A=[9,29.3, 140.99; 29.3, 140.99,827.693; 140.99, 827.693, 5400.863] Ainv=inv(A) % inverse matrix B=[4...

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How to set the visibility of labels attached to controls such as edit boxes in APP Designer？
First, make the label show up in the Component Browser by right-clicking the edit field and selecting "Include component labels ...

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