Answered
Solve a system of differential equations which has blkdiag
given i as identity with coeherent dimensions to x: blkdiag(x'.*i) edit: to create i use the eye(n) function, where n is the ...

3 years ago | 0

Answered
What is the purpose of this code?
line per line load signal; %load signal fs = 100; t = (1:length(signal))/fs; %create linspace (the time axis) for i = 1:100 ...

3 years ago | 0

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to receive data from simulink and send to app designer
one option would be to have some to workspace blocks in the simulink file: Log data to workspace from Simulink model - Simulink ...

3 years ago | 0

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I need the matlab code for the following equation. The values of the parameters in the equation is given .
try with this, assuming that the units don't need conversion : syms t mu=200; %cm^2*V^-1 * s^-1 R = 0.318; alpha= 6000; %c...

3 years ago | 0

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Answered
how to extract double value from a string?
assuming the string is always formatted as such you could just: s='D:\MATLAB\noise_check\bilder\Image_230217_1227_Temp_ 42,75.p...

3 years ago | 0

Answered
How to separate Day side & Night side time stamps and corresponding VTEC data from whole months data ?
Try this and tell me if it is what you wanted: dayFilter=and(hour(Date)>=6,hour(Date)<=18); %creates a filter for day hours ni...

3 years ago | 0

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Answered
Why does the step response to my discrete system not match between MATLAB and Simulink?
Had the same problem earlier, it's late but it can be helpful for others i guess: instead of using the discrete transfer functi...

3 years ago | 0

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Importing .mat files in a loop
let's say you are in the directory, then: matFiles=dir ('*.mat'); %finds all the .mat files (struct) [NoF,~]=size(matFiles); ...

3 years ago | 1

Question

Discrete input to continuous transfer function
I'm modeling a discrete pid to control a step response for a continuous system. From left to right: i have a continuous signal...

3 years ago | 1 answer | 0

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Answered
ode45 returns NaN
The values of t and T from iteration 1 to 5 are: t= 0.1 T=57.2 t= 0.1 T=59.4 t= 0.1 T=57.49 t= 0.1 T=377.82 t= 0.1 T=NaN ...

3 years ago | 1

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Answered
Can't progress on simulink onramp in MATLAB function block
you can try to either: copy paste the ^ symbol from here (an annoying procedure) use the function power (A,B). Notice that th...

3 years ago | 0

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Why isn't a GoTo tag used in asbQuadcopter's Non-linear airframe block showing it's corresponding From tag outside that block and how to fix it?
The global scope can be useful to connect From and Goto blocks anywhere in the model BUT the location must be virtual. You canno...

3 years ago | 0

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Answered
How to plot graphs successively using loop
I think the issue is with the if statement: if k==c since the plotting happens inside of the if statement it will only happen ...

3 years ago | 0

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Answered
paths removed and Set Path saved yet removed paths reappear at start up
2 alternative methods i would try: 1. rmpath(genpath(topLevelFolder)); %in case it has subfolders that create issues genpath m...

3 years ago | 0

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what is the error? Example?
there is a ';' in the function call on line 1: function w=ket(;5)

3 years ago | 0

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dbstop if error: before it was stopping at error in my code, now set the break point into Matlab native functions
you can use the navigation bar on top of the editor. Here i'm inside matlab defined funciton Here i hop out and it points at...

3 years ago | 0

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Answered
Shuffle row order within every N rows in a matrix
i think this would do the trick: [rows,~]=size(m); if mod(rows,2)==0 %detects if even or odd number of rows half=rows/2; ...

3 years ago | 0

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Plot a color bar for parallelplot?
This is the list of parallelplot properties Control parallel coordinates plot appearance and behavior - MATLAB (mathworks.com) a...

3 years ago | 0

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Detecting peaks with a specified range of amplitudes?
use the findpeaks() function: Find local maxima - MATLAB findpeaks (mathworks.com) if you need the range [0 1] just filter it o...

3 years ago | 0

Question

Fuzzy logic rule for out of range
I implemented a fuzzy logic penalty system for a particle swarm algorithm i'm working on. Sometimes it may happen that the val...

3 years ago | 2 answers | 1

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Question

mesh or surf from x y z coordinates
I'm not experienced at all with meshes or 3d plotting, please be patient. I have a firefly algorithm that optimizes pid paramte...

3 years ago | 2 answers | 0

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Answered
Accessing and synchronizing timetables in cell array?
[cMax,~]=size(mr2); C=mr2{1} %needs the first 5 elements of the table as preallocation for ii=1:cMax C=[C ; mr2{ii}]; %ve...

3 years ago | 0

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Commiting and pushing files from MATLAB to Github using MATLAB script
assuming you already cloned your repository in a local directory and already made the checkout of the branches, just move to th...

3 years ago | 0

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Answered
Store structure output into an array that you can index
i would either store it in a 1xn struct (n is the number of outputs you want to store): for (your current loop condition, i'll ...

3 years ago | 0

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Question

Data type conversion changes the value of the signal
Any clue why this happens? For reference this is how the signal is defined: I guess the offset has something to deal with i...

3 years ago | 2 answers | 0

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Answered
hello i want to loop this function, anyone can help me? thank you
Xtr=[Xtr1 Xtr2 Xtr3 Xtr4 Xtr5 Xtr6]; Ytr=[Ytr1 Ytr2 Ytr3 Ytr4 Ytr5 Ytr6]; mdl=[]; for jj=1:lenght(Xtr) mdl(jj)=fitlm(X...

3 years ago | 0

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Answered
Why is the run command not visible on my command bar (tool ribbon)?
Without more context i would guess that: a. you don't have a script open b. you are not in the editor

3 years ago | 0

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Answered
How to write this fuction in Matlab? I have an example code in Python
b= @(r) b1 - ((b1-b2)*(r-r1))/(r2 -r1); where b1,b2,r1,r2 are constants

3 years ago | 1

Answered
How to slove it (using matlab)
Try this: syms t x= (-2.41* 10^5)*(exp((-0.4607*t)))*sin(3.0003*t); %position expression v= diff(x); %speed as a first deriv...

3 years ago | 0

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Question

Account migration to a new organization
Soon i will change my organization so i will need to migrate matlab to my new one. This implies: - a change in the email/...

3 years ago | 1 answer | 0

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