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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...

alrededor de 4 años hace | 0

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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

alrededor de 4 años hace | 0

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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...

alrededor de 4 años hace | 0

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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...

alrededor de 4 años hace | 0

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

alrededor de 4 años hace | 0

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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).^...

alrededor de 4 años hace | 0

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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...

alrededor de 4 años hace | 0

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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 = %...

alrededor de 4 años hace | 0

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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...

alrededor de 4 años hace | 1

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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...

alrededor de 4 años hace | 0

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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...

alrededor de 4 años hace | 0

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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...

alrededor de 4 años hace | 0

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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...

alrededor de 4 años hace | 0

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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...

alrededor de 4 años hace | 0

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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');

alrededor de 4 años hace | 0

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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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Respondida
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...

alrededor de 4 años hace | 0

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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...

alrededor de 4 años hace | 1

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