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# Raj

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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 ...

7 días 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://...

7 días 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. ...

7 días 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...

7 días 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...

8 días 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: ...

8 días ago | 0

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

8 días 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...

8 días 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...

25 días 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...

28 días 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

alrededor de 1 mes 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...

alrededor de 1 mes 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)

alrededor de 1 mes 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...

alrededor de 1 mes 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? ...

alrededor de 2 meses 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 ...

alrededor de 2 meses 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...

alrededor de 2 meses 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', ...

alrededor de 2 meses 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))...

alrededor de 2 meses 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...

alrededor de 2 meses 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=...

alrededor de 2 meses 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}]

alrededor de 2 meses 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...

alrededor de 2 meses 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,...

alrededor de 2 meses 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?

alrededor de 2 meses 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 meses ago | 0

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

4 meses 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 meses 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 meses ago | 0