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OOP: objects as properties of objects; objects with no methods; objects with no properties?
Is it OK to store other objects as properties of an object? Yes. Actually it is common for MATLAB class. Is it OK if "subob...

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How can I draw a bifurcation diagram for the given code?
When do array operation, you should use .^ or .*: k1 = 3; k_1 = 1; k2 = 2.5; k3 = 1; k_3 = 1; k4 = 2; k5 = 1; E1 = 1; E...

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search for a folder from a different directory
cfolder = pcd; cd YourRootFolder a = dir ("**/2022-05-24.*"); % ** for subfolders isempty(a) cd cfolder

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How to store variable name AND value in an array?
density = 456; pressure = 356 ; temperature = 66; % or use struct a.density = 456; a.pressure = 356 ; a.temperature = 66...

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Overwrite table data if the logical index of row is true.
load(websave("sample.mat", "https://www.mathworks.com/matlabcentral/answers/uploaded_files/1108480/sample.mat")) sampleinput i...

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In 3D plot, how is the image displayed on a specific 3D spatial plane?
srcImg = imread("peppers.png"); sz = size(srcImg); [xx, yy] =meshgrid(1:sz(1), 1:sz(2)); zz = ones(size(xx)); % set the z ...

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How to label Y_ticks for a multi line plot using a for loop
all_trials = randn(15, 15)*.1; channel_n = size(all_trials, 2); %all_trials = ones([15,15]); x_axis = linspace(-0.1, 0.3, siz...

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Extract functionality from add-on to run program without add-on
MATLAB has a tool to find the required files for running a program. % files = "YourMainMatlabFile.m" [fList, pList] = matlab.c...

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svd(X,"econ") does not work as expected if X is square nxn matrix with rank<n
X=[1 1;1 1] [U,S,V]=svd(X,"econ") %I had expected that U=V=[1;1]/sqrt(2) and S=[2]. %But "econ" does not work, S=[2 0;0 0] a...

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Get Drive Volume information
For windows machine, you can do the following: [status, outpyt] = system("wmic diskdrive get model,serialnumber")

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How to save ".txt" to ".mat"?
data=dlmread('RO-2013-equinox.txt'); save('RO-2013-equinox.mat', 'data'); % quote the variable name

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Matlab plot is not correct
f = @(t,y,s) (0.0012*((1-y)/(1.66*10^(6)))+s-0.0012*0.02*y); %y=Nddotexi,vmed=0.02,fdot=3*10^(-18),r=0.0012,k=Nsurv a = 0; %i...

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How do I plot two different variables on the same graph but in two different colors?
clc t=0:(0.0625):100; x=sin(t).*(exp(cos(t))-(2.*cos(4*t))-(sin(t/12).^5)); y=cos(t).*(exp(cos(t))-(2.*cos(4*t))-(sin(t/12).^...

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how to find power spectral density of signal using fft
Here is the example from matlab documentation: https://www.mathworks.com/help/signal/ug/power-spectral-density-estimates-using-f...

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How do I insert one array into another?
a = reshape(1:12, 3, 4) b = reshape(13:24, 3, 4) % You stack a and b, then reshape it a = reshape([a; b], 3, 8)

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how to iterate powers? example 5^5 = 5*5*5*5*5
% potencia % x=input("introducir numero"); x = 5; n=1; xn = 1; while n<=5 xn = xn * x; fprintf("x^%d = %...

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removing values, connect lines and change thickness of border in a polar plot
theta = 0:.01:2*pi; rho = sin(2*theta).*cos(2*theta); polarplot(theta, rho); h = gca; h.RTickLabel = []; % remove rho valu...

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How to get xticklabels from xticks by merging cells?
plot(randn(7,1)) Xticks = 1:2:7; % for example % It's simpler and neater to use string Xtickslabels = string(Xticks)...

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How to find the end value of a flat minimum peak in a noisy data?
load(websave("angle.mat", "https://www.mathworks.com/matlabcentral/answers/uploaded_files/1106205/angle.mat")) whos t = 1:leng...

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Display plots as movie without pause()
t = 0 while true plot( sin(x)sin(y)(cos(t) ) % this is just psudocode anyways, doesn't matter %pause(.1) drawno...

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Extracting index of specified date from datetime array in dd:MM:yyyy:HH:mm:ss.SSS format
TimeMatlab = [738249.003472956,738249.003530829,738249.003588699,738249.003646569,738249.003704439]; Time=datetime(TimeMatlab,'...

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Calling a Function specific from a ToolBox
seriesnetwork is a calss. It has a method of "classify". In order to use the method, you need to create the network and trai...

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how can I have a single number as the result of dividing two numbers?
load(websave("matalb.mat", "https://www.mathworks.com/matlabcentral/answers/uploaded_files/1104765/matlab.mat")); [M1, N] = siz...

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Find correlation coefficient between a row in a data and every row in another data
A = randn(1, 5); B = randn(10, 5); r = zeros(10,1); for i=1:10 tmp = corrcoef(A, B(i, :)); r(i) = tmp(1,2); end i...

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If inside of for loop is not working
k = 1; dx = (3-0)/4; dy = 1/10; y1 = 0; y2 = y1 + dy; x1 = 0; x2 = x1 + dx; while y1 <=1 && x2 <=3 %[k, y1, x2] g{k...

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How can i solve "Index exceed the number of array problem(1)
Not sure what you want to do with the code without background info. It seems that you need to specify "Nddotsur" as a vector. ...

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Moving Std Dev for 20 periods
a = randn(3000, 100); b = movstd(a, 20, 0, 2, 'omitnan');

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How to show partial legend in a loop
f = figure; hold on for j = tt_n' % h1{j}=plot(Y, D{h}{j},'color',getprop(colors,j), 'linestyle',getprop(linestyle,j)...

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what is wrong in this code not executing .??????Error: File: ifSf.m Line: 2 Column: 22 Invalid expression. Check for missing multiplication operator, missing or unbalanced del
%function[y,z]=ifSf(x,245131.735,16960.70,0) function[y,z]=ifSf(x) % for function definition, arguments must be variables (not...

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Extracting specific data for multiple mat files
fn = dir("save*.mat") for i = 1:length(fn) matobj{i} = matfile(fn(i).name) matobj{i}.PCD % Then you can access to an...

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