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# Raj

##### Last seen: 3 jours ago
227 total contributions since 2019

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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 ...

12 jours 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://...

12 jours 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. ...

12 jours 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...

12 jours 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...

13 jours 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: ...

13 jours ago | 0

Time series data to frequency domain
Seems straightforward. Use this for reference: https://www.mathworks.com/help/signal/ref/spectrogram.html

13 jours 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...

13 jours 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...

environ un mois 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...

environ un mois ago | 1

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Upcoming Exam Dates for MATLAB Associate certification in India?
See here: https://www.mathworks.com/training-schedule/search?class_format=ILC&country_facet=IN

environ un mois 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...

environ 2 mois 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)

environ 2 mois 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...

environ 2 mois ago | 0

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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? ...

environ 2 mois 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 ...

environ 2 mois ago | 1

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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...

environ 2 mois 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', ...

environ 2 mois 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))...

environ 2 mois 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...

environ 2 mois 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=...

environ 2 mois 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}]

environ 2 mois ago | 0

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...

environ 2 mois ago | 0

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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,...

environ 2 mois ago | 0

matlab hanging for the below code
Doesn't seem to be hanging for me! Where are you having problem? Have you tried running in Debug mode?

environ 2 mois ago | 0

bode magnitude response of fractional order system
Use the command bodeplot instead of bode and set plot options using bodeoptions. Here you have an option of setting your Maguni...

3 mois ago | 0

Could anyone help me how to group into 4 sets.
Use this: NN = mat2cell(A,[1],[2,3,1])

4 mois ago | 0

Assign null to rows of a matrix
You cannot assign 'null' like this to a 3D matrix while wanting to maintain the dimensions of the matrix. You can assign zero or...

4 mois ago | 1

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round off problem in matlab
Just add 'format longg' before your code like this: format longg MAV = [0.0924317411754942 0.0313003411430704 0.00365072354007...

4 mois ago | 0