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**Content Feed**

How to change the reference ?

I don't think this is right: ref = 8 in [0.200] ref = 5 in [200,400] ref = 12 in [400,600] You cannot have 2 references at...

3 years ago | 0

| accepted

Write a program that calculates the length of hypotenuse c for all (!) combinations of legs a and b and do so using a for loop!

You already know 'a' and 'b' from your problem statement. Just declare them as vectors directly. No need to enter the values one...

3 years ago | 0

matlab account got temporary disabled

Maybe this will help: https://www.mathworks.com/matlabcentral/answers/429927-what-do-i-do-if-i-exceeded-the-limit-for-failed-lo...

3 years ago | 0

Pre allocation do not work ...

Question is not clear. What exactly are you trying to do here?The pre allocation works fine. You can check it by putting breakpo...

3 years ago | 0

| accepted

repeat elements ('a','b') where 'a' has to repeat 157 times and 'b' has to repeat 173 times, sequentially?

What is the exact issue here? Your 'tags' themselves are answers to your question. Use repelem and repmat to get what you want d...

3 years ago | 0

| accepted

Vector with numerator 1 unit less than denominator

format rat A=input('Enter number of elements:') % Enter 10 for this example for ii=1:A Out_Vector(ii)= (ii-1)/ii; end O...

3 years ago | 0

Delayed step/ impulse response

You have your system model and input signals equation. You can just generate your input signals and get the system response for ...

3 years ago | 0

frequeny domain signal into time domain signal

Your question is basically to convert the frequency domain data to time domain. Use 'ifft' command. See details here: https://...

3 years ago | 0

Workspace data is not reflected in the model

Ok to summarize, you have a time series data in your workspace which you want to import to Simulink at appropriate time stamps. ...

3 years ago | 0

How Simulink and Simscape model a particular system differently.

Of course you can make a Simulink model (mathematical model) of DC motor. Your question itself clears the air about 'how' Simuli...

3 years ago | 0

Which state is being plotted in multi-degree of freedom system when using bodeplot

Can you share your system. 'bode' or 'bodeplot' for a MIMO statespace system will give you Bode plot (Magnitude and Frequency re...

3 years ago | 0

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summation with for loop for all rows in another column

You are almost there. Put the whole thing in another loop that runs accross all the rows and store F_HL for each row like this: ...

3 years ago | 0

Time series data to frequency domain

Seems straightforward. Use this for reference: https://www.mathworks.com/help/signal/ref/spectrogram.html

3 years ago | 0

Finding X value for a corresponding Y value from contents of a table

You can use 'interp1' command. For example, in case of third column you can use: interp1(A(:,4), A(:,1),1.5) which gives ans...

3 years ago | 0

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How do I choose the desired final states when i simulate my state space model?

"How would I tell my system to, for example, change the pitch angle 10 degrees and then plot the results of this?" It's a quite...

3 years ago | 0

Use of initial value and calculated value.

Use the Simulink Delay Block Tap the output coming from the last block 'update angular velocity' and give it as input to the fi...

3 years ago | 1

| accepted

Upcoming Exam Dates for MATLAB Associate certification in India?

See here: https://www.mathworks.com/training-schedule/search?class_format=ILC&country_facet=IN

3 years ago | 0

how can we find eigen values and eigen vector of a matrix having variable like x or y ?

You need to have 'Symbolic Math toolbox' to do this. Then you can calculate the Eigen values & Eigen vectors in terms of the var...

3 years ago | 1

How can I Input an already factored polynomial into the bode function?

Z=[-1]; P=[0,-0.5,-2,-3]; system=zpk(Z,P,1); bode(system)

3 years ago | 0

Hi. I want to automate a process which consists of 3 steps. 1. Read the data from excel file and extract the necessary data alone. 2. Run the data and output plots. 3. Store the results (workspace) in a specified folder in my computer.

"I want to call the master excel file into matlab, read/run the data in each sheet and save the workspace of each sheet in a spe...

3 years ago | 0

| accepted

Find position of max value in a graph

Just add this at the end of your code: [Y, I]=max(xphi); X_Max=phi(I) Y_Max=Y Or do you want max point markup on your plot? ...

3 years ago | 0

Vector output from a for loop

TMP =[12, 3, 36]; PGRED=zeros(size(TMP)); for ii=1:length(TMP) if TMP(ii) < 9 PGRED(ii)=0; elseif ...

3 years ago | 1

| accepted

Plots - Two Y-Axis with Different Units

Since you have not shared the data, it is not possible to give exact solution to your problem but if you are looking for plottin...

3 years ago | 0

divide array to multiple varible of array

For the purpose of storing you can use a structure something like this: MyStructure = struct('Name', {{'a' 'b' 'c'}}, 'Value', ...

3 years ago | 0

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How to store multiple y-data of arbitrary length for a given x and plot?

X=[1 2 3 4 5]'; Y= {[1 2 3] [1] [] [1 2 10 4] [1 5 2 0 3]}'; for ii=1:numel(X) scatter((repelem(X(ii),numel(cell2mat(Y(ii))...

3 years ago | 0

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plotting a graph of multivariable function

"The code is taking only last values, i.e., y1 and y2=1" - No it is not taking only the last values. The for loop for both y1 an...

3 years ago | 0

Using nested loops to calculate Bernoulli numbers

B=zeros(1,11); % Create an empty array to store the Bernoulli numbers for m=0:10 % Number of Bernoulli numbers required temp2=...

3 years ago | 0

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How to create a 2x2 matrix?

h1=rand(2,500)+i*rand(2,500) % Your first matrix h2=rand(2,500)+i*rand(2,500) % Second matrix M=[{h1} {h2};{h2} {h1}]

3 years ago | 1

Please help: How to do a time step?

The easiest way here would be: 1) Compute u_1 and u2 as you have done already. 2) Just take the last value of u_1 and append i...

3 years ago | 0

| accepted

Matrix compare row to column

Okay lets try to break it down here: 1) I have to create a 100 x 100 matrix Create an all zero matrix like this: A=zeros(100,...

3 years ago | 0