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# Raj

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232 total contributions since 2019

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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...

11 days ago | 0

matlab account got temporary disabled

18 days 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...

22 days ago | 0

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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...

22 days ago | 0

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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...

22 days 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 ...

1 month 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://...

1 month 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. ...

1 month 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...

1 month 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...

1 month 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: ...

1 month ago | 0

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

1 month 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...

1 month 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...

2 months 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...

2 months 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

2 months 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...

2 months 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)

2 months 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 months 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? ...

3 months 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 months 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...

3 months 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 months 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 months 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 months 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 months 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 months 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...

3 months ago | 0

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